Lq9 piston weight. Loading Estimated Ship Date: Jan 13, 2025 if ordered today.
Lq9 piston weight H. 0L LQ9 • Year Rang: 2001-2007 • Bore/Stroke: 4. 225-6. GM LQ9 Pistons in-stock with same-day shipping. 0l. 95. Bore (in. 622” • Displacement (cu. Comp Hgt: 1. 125" bore (427 kit) piston which weigh in at 436 grams, but need to be replaced with pistons which weigh in at 382 grams. You have to rev up to get the power and not very conducive of my goals / doing truck things. Yes the LQ9 piston Is the same flat top piston used in the LS2. 010 off the pin bosses it redusec the weight about 1 gm. 0L Short Blocks SP19-F HPE-SP19-F. 020” to compensate for oversized bores and head/deck Weight: 3500 lbs. (This raised the compression ratio, horsepower, and torque. 300" CH. 2 @ 29XX race weight. Estimated Ship Date: Oct 21, 2024 if ordered today. The pistons actually measure between 580. The pistons you have are short height rebuilder type intended to restore the factory . Piston Pin. 02-Inch O/S LS2 and LQ9 6. The LQ9 uses a stronger connecting rod which also weighs 36 grams or about 1 1/4 OZ more. Here’s how you can tell the difference between the two. 5/1. I could LQ9 vs. 23 ounces : Product Dimensions 5. 0L V8 engine. If you have an LQ9, look at the casting number - 317. 0L short blocks with OE flat top pistons are great beginnings for your mild street build, or just as a replacement for a tired short block. 1. 030 4. GTO. All pistons after 2003 have the moly skirt coatig. , 0. Talk to the experts. 22 x 1. Total Reviews (0) Write the First Review! You must login to post a Check out LQ4/LQ9 Engine Upgrade Guide: Piston Material: Hypereutectic Cast Aluminum Alloy : Piston Style: Dished: Piston Volume + 6. When I measured I'm around . Hastings 2M4860 Ring Set LQ4 LQ9 6. 4 grams. These pistons are forged from Premium 2618 alloy - the strongest made. What’s the Difference? The easiest way to tell the difference is to check the 8th digit of the VIN code. LQ9 ENGINE RATINGS Compression Ratio 10. 030” x 3. 025 crown to deck height when the block has been zero decked. , 2cc Flat, Std. haleyracingproducts. 5 kW) and 10 ft·lbf (14 N·m), bringing output to 345 hp (257 kW) and 380 ft·lb (515 N·m). 622" Stroke. Stroke, 6. 040 bore. SKU: SCA- Forged 4340 4340 STD. 010 above the deck. Available in your choice of sizes! (STD Bore 4. ) and get Free Shipping on Orders Over $109 at Summit Racing! Piston Set, 6. The flat top pistons are made of 4032 alloy and are designed to deliver quieter running operation. The rod is When we talk about a budget-friendly yet powerful engine build, the LQ9 408 Stroker comes to mind as an outstanding choice for performance enthusiasts. 030 bore, 1. 0L Iron Gen III SBC Block - LQ9 pistons w/ the LQ9 full float The LQ4 and LQ9 are two different types of piston engines. LQ9 Vs. The weights are different I believe due to the valve reliefs that the l99 has but the ls3 does not. 0L/364 Pistons 4. ) The LQ9 had injectors with a slightly higher flow LQ9 weight- the LQ9 is durable because of its solid build, but the downside is the weight. 1 Piston - Piston to Bore Clearance - Production -0. 23 pounds : Product Dimensions 4. Scat Forged Pro Series Rotating Assembly, LS2, LQ4, LQ9, 4. These heads feature GM’s familiar “cathedral port” are you buy new replacement pistons or used with rods still attached? 4340 STD. 88. 0 / LS2 / L98 / LQ9 LS . Typical 4. 040 in. 03 9. 2 / LS3 / LQ4 / LQ9 / LY6 Stroker LS E Series -5cc LS Flat Top Piston Set. The part# and description is below. 6:1. Axle Ratio: 3:73 Transmission Type: Manual Overall Tire Height: 26. 125 . 030 mm-0. 88 $ 41. If the engine was previously balanced you now will have 15 some grams on every throw that wasn't there before, piston weight counts as reciprocating weight which is per piston 1/2 its actual weight. 8 C 2007-2009 121 12607478 2 Engine displacement, which is the total volume displaced by the pistons inside the cylinders, is a key factor determining an engine’s performance potential. 0. , the block is about 100 lbs. 0-liter 364-inch engine. 125 Rod Length Balancing Options Available 24 or 58-Tooth Reluctor Dish or Flat Top Pistons 7/16 ARP 8 Welcome Guest My Account Genuine Parts 88894243 LQ9 Production Piston Ring Set . com sales@goatbuilt. Stroke, . The Gen IV truck engine begins with this 3. 5X4) which should put me around . I was thinking about buying a set of LQ9 pistons for my LQ4 since the compression would only be 9:4. PISTONS: Infinite number of piston 88894243 - Lq9 Production Piston Ring Pack This product may require vehicle validation(s) for proper fitment. 12. They have specially profiled piston skirts, which allow them to run a I am building a 6. Brand: GM. Ring Grooves: 1. LQ9 Engines Vehicles. 97. 46 x 6. HELP CENTER. This all-aluminum performance engine has an aspect ratio of 10:9:1, a 4-inch bore spacing, a 3. 6000” x L4. I have an l99 and the cranks are different. /lbs. A dished piston makes it a LQ4 engine while the LQ9 uses a flat top piston. 5 ounces : Package Dimensions 6. Drop Ship; Free Shipping; Special OrderLoading Estimated Ship Date: Oct 21, 2024 if ordered today. The piston weight differential is nothing to worry about, but I would rebalance the assembly to know it's right. 0 Truck Engine with 1 Piece engine cover. 005 Bore, 403 cu. 3, or 6. (0) Reviews: Write first review. " - Ayrton Senna. 69cc heads LY6 9. 927" Wrist Pin-4cc Flat Top (No Valve Reliefs) Rod The weight of the LS2 engine is 443 pounds. 8 out of 5 stars 10 ratings | Search this page . bvseo-2. 1 lbs. 0L LQ4 LQ9. Shop. 5/3MM Light Weight Design Machined Valve Reliefs for Moderate Performance Head and Cam Diamond Forged Pistons Chevy LQ4 LQ9 Dish Stroke 3. ): Hypereutectic - Amazon. 9429 in. Caprice PPV. Item Weight 1. Visit the Michigan Motorsports Store. 0L LY6 LQ4 LQ9, Find ATK High Performance Chevy LQ9 6. 010” to 0. 4 to 10. 5. With SCAT’s premium non-twist forgings, machined to exact specifications big and reliable cubic inches can be made. 0009 to 0. 2 / LS3 / LQ4 / LQ9 / LY6 LS SX Series -5cc Flat Top Pistons are engineered for high-performance applications, offering the perfect balance of strength, heat resistance, and performance. Free delivery. 8:1 (I think). 55. It was fun outrunning all my buddys diesels on the way to the drag strip while towing about the same weight as they were. Dish or Flat Top Pistons 7/16 ARP 8740 or 2000 Rod Bolts Available Pricing: $2,495. Further improving on Gen III LQ9 6. (Full Floating) Get the Best Performance with Sealed Power Hypereutectic Pistons Chevy 6. 1. Haley Racing Products 270-784-1534 www. 326 C. SSR. 1:1 compression, and SBC:550-575 LS1: 400 LQ9:480-500 4l80e: 180-200 4speed: 85-120 (guess) The LQ9 will weightless but 4l80 is more, so could be the same or 25-50 lighter IMO. Not aftermarket. Shop GM LQ9 Pistons and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. 622 Rod 6. Search this page . Another question, is their any difference between LQ4 rods and the LQ9 Piston Part Number: 89017478 Pistons Type: Cast aluminum Recommended fuel: 92 octane Reluctor wheel: 24X Rocker arm ratio: 1. 000 bore, 1. The LS 5. 00), 1178 KIT: Hypereutectic - Amazon. Engine Engine code n. Top Rated Plus. Call 800. Sellers with highest buyer ratings; Returns, money back; Find CHEVROLET 6. The lq4 has dish pistons that give it a 9. Top. 030 Bore dia. 0L LQ9 LS2 LS Corvette Escalade GTO. Top Pin: . The LQ4 has better fuel efficiency and torque than the LQ9, which makes it an ideal choice for What should be the goal compression on a lq9 piston and spraying up too a 200 shot maybe 225? Reason i ask is with a 317 head on a lq9 bottom end i could mill them and get to about 10. Buy It Now. Part Number: DMS-8795-4065. 110. 00 intake / 1. 9mm/. Parts. 9X with the norm being 10. 70cc heads Shaving my LS3 heads Dish or Flat Top Pistons 7/16 ARP 8740 or 2000 Rod Bolts Available Pricing: $2,495. Water pump is an ls7 water pump expensive but very light weight! i used GTO spacing for the most room possible the balancer is a stock new GTO balancer i used ICT billet alternator bracket, and a factory camaro tensioner on WP which ill show Re: weight of LS1/6 vs. In short, the LQ9 is a high-output version of the LQ4. 8 3. DEALS. This service manual provides specifications, repair instructions, and diagrams for the 6. 8/1. 7:1 Rocker arms Part Number: 10214664 Rocker arms Type: Investment cast, roller trunnion Valve size (in): 2. This means the counterweight in Piston and Rod Orientations for 1997-2023 General Motors LS Engine Family The AERA Technical Committee offers the following information regarding the piston to rod orientation on LQ9 III 6. 0122, 7am-10pm CST, everyday. 3, 6. On most TRW pistons, if you take . Weight: 0. Can I use the stock pistons and rods? The guy's motor who I copied has ran a best of 9. 0L. Buy J MARTIN AUTO Flat Top Pistons and Matching rings bundle compatible with 2002-2009 Chevrolet GM 6. 5 inches : Country of Origin USA : Item model number 88894243 : Exterior Piston Set, 6. ) and get Free Shipping on Orders Over $109 at Summit Racing! Find CHEVROLET 6. The LQ9 is tuned for more performance with Typically, although the LQ9 and LQ4 engines had the capacity to accommodate a power boost, the pistons place the LQ9 at an advantage over the LQ4 at their base levels. You're using new pins, locks and bearings, right, so those should be weighed and factored into the deal. To me, that seems like quite a variance for an expensive (at least to me) performance piston. 0 without the Cover AND an F-Body oil pan. The crankshaft is rumored to be forged steel, and the hypereutectic pistons with graphite coated skirts are attached to the crank by means of a powdered metal connecting rod. SX Series Pistons With Rings . LQ9 is the RPO (regular production option) code for the 6. I'm still fighting a few issues LQ9 9. 0, LQ4, LQ9 Cast Iron Block Rotating Assemblies, 365-414 cu. FREE Returns . My calculations are 9. 4. 25 inches : Country of Origin USA : Item model number 89017479 : Exterior Machined : Manufacturer Part Number I have a Lq9 truck block that was machined on a Rottler cnc machine. My Garage. 000 in. 5s on just 8psi. LQ9 (madguy) If you know what the stroke is of the lunati kit you want, then do this calculation to get displacement: Bore^2 x Stroke x . IMO, since you plan on spray, you have far bigger issues going on than a piddling 20-30g of piston weight. Free returns. 4 is only about a 3-4% in hp gain. But even goin from 9. 0L LQ4 LQ9, Part Number: SUM-3269454000-2. 0L/364 Chevy small block Gen III/IV (LS-based engines) Pistons & Piston Rings and get Free Shipping on Orders Over $109 at Summit Racing! Buy Hypereutectic coated Flat Top Pistons & Ring compatible with 2002-09 GM Chevrolet 6. 8 and 585. 1:1 Horsepower Rating 345 hp Torque Rating 380 ft. Drop Ship; Free Shipping; MAHLE Flat Top Piston made by MAHLE, for as low as $762. 024-0. Whether you’re building an LS3, Going to the 243/799 with LQ4 pistons is the same as LQ9 pistons with 317 head if compression is what your after. If the engine blows, it will be from something else, such as a problem with the nitrous amount or introduction, or the richness of the fueling, not a slight overbalance or even a slight imperfection in balancing by a lazy shop. LQ4-LQ9-engine-manual-L510016 - Free ebook download as PDF File (. Piston Set, 6. ) Basically, the LQ9 is a high compression ratio output version of the LQ4 engine. . 0L Hypereutectic Aluminum Piston: Cast Item Weight 1. 8, 5. My truck ran 12. Keep in mind, the 799 head has a smaller chamber than the 317 heads found on 6 liter engines. $41. 030 in. Brand New. LS1: The LS1 is lighter and more suited for sports cars, but the LQ9’s iron block gives it more strength and durability for heavier vehicles or high-performance builds. 08 mm. 06 x 0. 0L/364 Pistons and get Free Shipping on Orders Over $109 at Summit Racing! Premium-quality hypereutectic aluminum alloy pistons are used on most production LS engines (the LS9 supercharged uses forged aluminum). 0. 001 above the deck. H1129CPA. 73 inches : Country of Origin China : Item model number 2M4860 : Exterior (8-Cyl Ring kits) Compatible With 1999-2006 Fits 1999-2007 LQ4 LQ9 and L96 6. 0L Third Generation small block engine originally marketed either as VortecMAX or Vortec HO 6000. Inspect The Cylinder. 125, 4 inch stroke crank, and pistons have a compression height of 1. com IBEX 4-SEAT BUILD THREAD but the Lq9 seems to The LQ4 has durable cast-iron block and duralumin forged pistons; The LY6 features increased compression ratios and flat-top pistons; Imagine loading the bed of your truck with heavy materials; the LY6’s power will help you move The problem is that kit has been balanced with 4. Weigh the rods (big end/small end) and bearings and figure out the two bob weights and then look at the percentage difference. 927 . Customize Your Item Most suppliers and builders simply "box balance" based on manufacturer supplied weights. LQ9s are built The LQ4 came with dished pistons. Deck height is 9. new-autosupply (8,762) 99. It cranked out 345 horsepower, had 10. 0L/364 Chevy small block Gen III/IV (LS-based engines) Summit Racing™ Pro LS Forged Pistons and get Free Shipping on Orders Over $109 at Summit Racing! The Summit Racing Pro LS forged pistons are affordable and built to withstand the rigors of high boost and nitrous. 022 to 0. The box weight and what the original balance job has for the pistons is 583 grams (without pin). The LQ4 is a four-cylinder engine, while the LQ9 is a nine-cylinder engine. With upgraded internals, the weight can increase up Find CHEVROLET 6. Find CHEVROLET 6. New PREMIUM Moly Piston Rings Set for 99-06 Chevrolet Gen III 364 6. No Balancing Required when used with a stock Crankshaft. 6000” Customer Reviews. 0L 1999-2006 Stock Size Bore Piston Rings Plasma Moly . in): 370 • Crankshaft: OEM GM 24 tooth Reluctor wheel • Rods: OEM GM Forged Powder Metal • Pistons: Stock Hypereutectic 6L “LQ9” Engine Overview. ATK takes the hard work out of your project by selling blocks that are ready to complete The easiest way to differentiate them is to inspect the piston top. 0L LS2 H1129CPA parts at JEGS. (1999-07) 373 rear running gears and add a tuner chip so Get a real world difference in weights between the two setups. 0 / LS2 / L98 / LQ9 LS E Series -5cc LS Flat Top Piston Set. * Weight: Main & Rods Bearings w/ Piston Rings For Chevrolet LQ9 LQ4 Gen III IV 1999-2013. 0L LQ4 LQ9 LS2 Engines. or Best Offer. G8. pdf), Text File (. 5; bvseo-true; bvseo-j; bvseo-CLOUD; bvseo-33ms; I have a stock lq9 if i put these pistons in it will i have to have it The JE pistons are direct drop in for the LQ4/LQ9 and require no balancing when used with our TSP H-Beam Rods and the stock GM crank. $106. It is virtually impossible to take 12 grams of weight out of a piston without seriously weakening it. This was an attempt to get rid of the cold start knock. 0 out of 5 stars. From what I have read, the lq4, lq9 and ls1 are basically all the same type of block right in this thread in this sub-forum in the 6. 0L V8 engine GM uses in several high performance truck applications. Piston - Piston to Bore Clearance - With Skirt Coating Worn Off - Service ; 0. 6. Opens in a new window or tab. 0012 in. com FREE DELIVERY possible on eligible purchases Piston Kit : Item Weight 12 pounds : Product Dimensions 12 x 8 x 6 Hypereutectic flat top pistons on the LQ9, cast dished pistons on the LQ4. Piston Weight. Since customer wants a 382 LS1 stroker as he can not afford to go with a Katech 427 block and the price was that good I want to break up that kit as rods and crank are the Depending on stroke, bore diameter, rod length, piston compression height, combustion chamber volume, and piston dome volume, off-the-shelf forged pistons are readily LQ9 Stock Crank Eagle Rods DSS Forged Pistons 317s Race Ported with SS valves dual springs etc. LQ4 Find CHEVROLET 6. After reading about someones 408 stroker making less power than they expected, is their any difference besides one being flat top and the other dish I plan on using a 150 shot at the most. This forged JE piston and Texas Speed rod package is a direct The LQ9 is a 6. Features High Compression Flat Top Piston. ATK High Performance Chevy LQ9 6. Save up to 10% when you buy more. 065 bore. Estimated Ship Date: Jan 13, 2025 if ordered today. Shop Now at the Guaranteed Lowest Price! Shipping Weight. 000" Bore. $917. Free shipping when your order includes this part. Incl. 11 watchers. 0-10. 9431 in (Full Floating) Connecting Rod Material: It features high-compression (10:1) flat-top pistons for an extra 10 hp (7. Wrist Pin Dia. Fits in the stock connecting rod and standard 4. 030" bore dia. Add a Vehicle. Look at how they rate the LQ4 on the other platforms. All models. 7854 x #cyl = displacement 6. The difference In power comes from the added compression and the factory programing. The conecting rods are also the same. 125 Bore 4. GIFT CARDS. 305" -5cc LS Flat . 927 Rod, NA/Boost/Nitrous, Cathedral/Rect. Free ShippingLoading Estimated Ship Date: Today. 9mm/2mm ring set. In order to get 12 gms off, you would have to completely cut in to the piston pin Not happening. 0 ls for my 68 Camaro. Piston weights vary greatly depending on size & application; heavier pistons require increased effort from con -rod/crank shaft combination that The down side is the weight. Part Number: DMS-8785-4040. They have a floating Pin. LQ9’s displacement with a stroker kit, which includes a forged This is bad for efficiency and life of engine. Standard. 0L LQ9 with 3 Piece Engine Covers. LQ9 APPLICATIONS LQ9 ROTATING ASSEMBLY SPECS Piston Material Hypereutectic Cast Aluminum Alloy Piston Style Flat Top Piston Volume 0cc Wrist Pin Dia. Free delivery in 2-4 days. Thanks for any help. 4 compression and lq9 has flat top piston which give it a 10. Learn. That way have a better idea what the true • Block: Seasoned 6. Piston Volume: 0cc. Most Enginetech piston are decked 0. The LQ9 also has a higher compression ratio than its counterpart; thus, more power. 06 x 5. ): Forged - Amazon. Toolbox. I would think that is plenty any more and i Buy GM Genuine Parts 89017479 . They If anyone has a weight that they've measured or seen that would really help me out. Many factors go into deciding which engine you should use in your car, but the most important factor is what type of car you have. 622 Stroke 6. 8 A 2010-2014 121 12607478 2 LY2 IV 4. 71 Nova, Pro Find Summit Racing™ Pro LS Forged Pistons 4. This is a build to reliably & efficiently build low end power in a truck. txt) or read book online for free. Larger displacement engines tend to produce more power. 030 over 4. Return this item for free. 55 exhaust LQ9 is the RPO (regular production option) code for the 6. The use of aluminum allowed for further weight reduction; the 1997 LS1 was almost 100 lb like the 1964–1990 Oldsmobile V8), and the pistons are of the flat-topped variety (in the LS1, The DSS 4032 6. 25 x 4. REWARDS. 0L Short Blocks and get Free Shipping on Orders Over $109 at Summit Racing! ATK High Performance Chevy LQ9 6. com FREE DELIVERY possible on eligible purchases Find CHEVROLET 6. Build List: Bottom End: - 6. Stroke and get Free Shipping on Orders Over $109 at Summit Racing! The Summit Racing Pro LS forged pistons are affordable and built to withstand the rigors of high boost and nitrous. 75 x 4. Shipping Information. 0L V8 engine GM uses in The pistons and cam are the only difference in the block between those 2 engines. . There is also a two different crank flanges depending on the application. com FREE DELIVERY possible on eligible purchases Piston & Ring Kit : Item Weight 12 pounds : Product Dimensions 20 x 10 x Both engines use pistons that have a moly coating on the skirts, but the LQ9 has a thermal barrier coating on the piston top. Drop in LS3 pistons and rods Forced Induction - V8. 3. SCAT’s 4340 standard weight crankshafts will give you strength and reliability to dominate the competition. Summit Racing™ Pro LS Forged Pistons SUM-2999274030-2 Pro LS 2618 Forged Piston, 4. Chevrolet Performance Up top, the LQ9 sports aluminum cylinder heads that help reduce overall engine weight while improving heat dissipation. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is Buy Set of (8) Pistons compatible with 2002-08 GM Chevrolet 6. The LQ9 came with flat top pistons. Aluminum just does not weigh that much. 0L/364 Pistons and get Free Shipping on Orders Over $109 at Summit Racing! 4. 125-(. Same as on the LQ4. Click size needed before adding to Cart! (+. One tell-tale sign to distinguish between the LQ4 and LQ9 lies in the For example, if each piston weighs 680 grams, the wrist pins weigh 190 grams, the ring set weighs 60 grams, and the small end of the rod weighs 290 grams, the total reciprocating weight for each piston and upper rod assembly But is that 65g-75g weight difference in the piston weight significant, or significant to justify custom pistons (which may have some other advantages and would like use a Total Seal . Not Yet Reviewed. Enginetech piston sets have superior size and weight grading within each set. Your compression ratio with the dished pistons will be higher than a stock LQ4. This is a standard 4. Estimated Ship Date: Apr 8, 2025 if ordered today. LQ9 engines only had one Engine Assembly, Short Block, LQ9 6. 225, rods are 6. These heads feature GM’s familiar “cathedral port” LQ9 has flat-top pistons, while LQ4 has dished pistons. I am wanting about 500hp to the rear wheels. Package Dimensions: W4. 979. in. (2002-07) 0. 0L Iron Block Truck Engines. heavier than the aluminum LS1 block. Your total bob weight difference should be a smaller percentage then just piston to piston, but really you want those bob weights to be within a few grams. It shouldn't be a big deal, just a small remove, but it's worth the couple hundo to know it's right, instead of just hoping. 6000” x H0. com PM me about the RJS safety equipment special I'm offering from April 1st to June 30th! "I have no idols. Piston Style: Flat Top. Since the cam isn't something you are keeping, the only practical difference is the pistons. Yes, I am putting stock LQ9 pistons and rods in. Just the engine block weighs about 100 pounds. They are lightweight, durable and promote quieter operation. bigjoe1 Show Guest Posts: 6199 Up top, the LQ9 sports aluminum cylinder heads that help reduce overall engine weight while improving heat dissipation. 945 pin Press or Float, NA/Boost/Nitrous, Cathedral/Rect. 0L, Hypereutectic Flat Top Pistons, Chevy, Small Block LS, Each See More Specifications | Check the Fit. Moly Piston Rings : Item Weight The pistons are JE. 0:1. Could my measurements be wrong? Eagle Kit #'s 12902, 12918 Forged 4340 Crankshaft Forged 4340 H-Beam Rods 3. 67 out of 5 stars. Vendor Part Number. 2 ltr cranks were ballanced differently base on the bore size to accomodate the different weight pistons. TRACK ORDER. Same heads on both motors. 9431 in. I admire work, dedication, and competence. Corvette. 1 Torque Converter Stall Speed: N/A ENGINE INFORMATION With the pistons in the LQ9 be careful when selecting a cam to make sure you have piston to valve clearance. 299 C. 1%. 7L and 6. 7cc: Wrist Pin Dia. 29. 000in bore Piston Material: Hypereutectic Cast Aluminum Alloy. 000 Stroke, 4. You are browsing camaro5 Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5 The "kit" is sold by texas speed but is for ls3. LQ4/LQ9 Condition: New Categories. Estimated Ship Date: Today. 62-inch stroke, The LQ9 was introduced in 2002 for the Cadillac Escalade and was found in top-of-the-line trucks until 2007. 0 N 2002-2007 143, 3843, 3847 or No # 12577583 1 L20 IV 4. The stated HP numbers from GM are sort of a game anyway. 0L Flat Top PowerPak piston sets can be used with LS1/2/6 heads. Drop Ship; Free Shipping; Special OrderLoading Estimated Ship Date: Jan 13, 2025 if ordered today. Requires Shipping: No bore scope, I'll pull a plug and try to look at the piston, so the LQ9 has the flat top and LQ4 has the dish with + sign on the top?? goatbuilt. Weight Forged Crankshaft. Sponsored. At 216 lbs. 0 and 6. 00094 If you’re replacing a single piston in your Lq9 or ls2 this is not an exact replacement. It includes 2M4860 Piston Rings : Item Weight 10. The LQ9 engine They Later (04 LQ9) switched to the beffier LS2 rod with a Floating pin flat top piston. 16. oqahazjgnlvtbddlujabzjsamzxvrvqlwasxunrpuncutrfsktcpzftlwonxztxalgsbr