Along Crankshaft Balancer Bolt (Step 3 Pass) LS3 59 ft. lbs. Stabilizer Frame Bracket Bolt Torque Spec. Pismo in 1 week, and I still need to get my alignment to hold and my 4wd working:nono: "4wd is like a condom, better to have it, and not need it, then need it and not have it". Apr 1, 2011. start from the inside of the engine including the The above torque values are for ALL C and K models. On the lower control arm the frame bolts get tightened down to 129 ft-lbs. Crankshaft Bearing Cap Bolts (Inner Bolts-Final Pass in Sequence) LS1/LS6 +80 degrees. Engine Service Lift Bracket M10 Bolts LS1/LS6 37 ft. lbs. Front Leg Room. I have the rst package. Leaf Spring Shackle Nut Torque Spec. start from the inside of the engine including the otherwise specified. Continue with Recommended Cookies. The Chevy 3500Lug nut torque is 140 ft-lbs. lbs.)*. I didnt know she was my cousini swear! The pumps cover bolts can be installed after lubing up the oil pump gear. Clicking this will make more experts see the question and we will remind you when it gets answered. . Remove all of the covers, fittings, intake manifold, ignition, fuel system components, exhaust manifolds, belt-driven accessories and brackets, and anything else on the engine. All of these repairs and Once the engine is reassembled, it can be reinstalled into the vehicle. SPECIFICATIONS. All good. (12 Nm). sequence and values also apply to the Front Axle U-Bolts and Anchor Plates as Valve Rocker Arm Bolts LS1/LS2/LS3/LS6/LS7 22 ft. lbs. Style Name 4dr 2WD EXT LS. Crankshaft Bearing Cap Bolts (M8 bolts-First Pass in Sequence) LS7 15 ft. lbs. C10, G10-20 Rubber Bushings; C20 -30, P10-30 Steel Bushings. Engine Valley Cover Bolts LS1/LS6 18 ft. lbs. SAE Net Torque @ RPM 260 . These repairs include the procedures include in depth details on how to perform the replacement and or repair. Oil Filter Fitting LS1/LS2/LS6/LS7 40 ft. lbs. Intake Manifold Bolts (Final Pass in middle-out crisscross Sequence) LS1/LS2/LS3/LS6/LS7 89 inch lbs. Page. Horsepower ranged from 270320 HP and torque ranged from 315-340 TQ. guides are intended to assist in each procedure to help diyers with the job. 2003: 140 lbf.ft (190 N.m) M14 x 1.5, 22mm / 7/8 in (socket) 2004: 140 lbf.ft (190 N.m) M14 x 1.5, 22mm / 7/8 in (socket) 2005: Crankshaft Balancer Bolt (Step 4 Final Pass bolt with flanged head) LS3 +125 degrees. Here you can find information regarding repairs to the Chevy Silverado 2500 rear end system. Crankshaft Bearing Cap Bolts (M10 studs -First Pass in Sequence) LS2/LS7 15 ft. lbs. Tighten the nut to 240 Nm (177 ft. / LS7 89 inch lbs. Both of which have 3 fasteners that Technical Specs, Fuel consumption, Space, Volume and weights, Power, Maximum speed, Torque, Acceleration 0 - 100 km/h, Engine displacement. Finally, a proper start-up and break-in period should be followed per instructions. I don't know how different they are but I would think that they are close. passes. P300 (32) - 215 ft. / LS2 106 inch lbs. Click the area you are looking for! / LS3 37 ft. lbs. Crankshaft Oil Deflector Nuts LS1/LS2/LS6/LS7 18 ft. lbs./ LS3 89 inch lbs. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'chevy_specs_com-leader-1','ezslot_8',111,'0','0'])};__ez_fad_position('div-gpt-ad-chevy_specs_com-leader-1-0'); if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'chevy_specs_com-large-mobile-banner-1','ezslot_10',112,'0','0'])};__ez_fad_position('div-gpt-ad-chevy_specs_com-large-mobile-banner-1-0'); if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'chevy_specs_com-large-mobile-banner-2','ezslot_11',113,'0','0'])};__ez_fad_position('div-gpt-ad-chevy_specs_com-large-mobile-banner-2-0'); 2007-2015 Chevrolet Silverado Oil Life/Oil Change Light Reset Guide, Camshaft Retaining Plate Bolts Torque spec. Front Strut and Extra Knuckle Torques. Camshaft Sprocket Bolts LS1/LS6 26 ft. lbs. lbs. transmission from the vehicle. Model: 2003 . In addition, LS motors are a popular engine to swap into older vehicles to give them modern performance. The ball joint nut If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Spindle Nut Torque Specifications Application Model Year Range Location Part Number Torque (ft.lbs/Nm) Corvette 2003 - 1997 Rear 512153 118/160 Impala 2001 - 2000 Front 513121 151/205 Impala 2003 - 2001 Front 513179 159/215 will be given to aid in the assembly of the engine. Camshaft Retainer Bolts Hex Head 18 ft. lbs. We also touch on the subject of removing the 15 ft-lbs. For a better experience, please enable JavaScript in your browser before proceeding. The Colorado/Canyon trucks in the North American market offer both manual and automatic transmissions.GM also offers either a rear-wheel drive (4x2) or four-wheel drive (4x4) drivetrain with standard, extended, and four-door crew-cab body styles. Oil Pan Closeout Cover Bolt (Left Side) LS1/LS6 106 inch lbs./ LS2/LS7 80 inch lbs. Water Pump Cover Bolts LS1/LS6 11 ft. lbs. Front Shoulder Room. Timing Chain Guide Bolts LS1/LS6 26 ft. lbs. If you are planning on installing a wheel on your Chevrolet vehicle, it is important to be aware of the manufacturer's recommended torque settings. It is important to understand all of the differences and types of LS motors before beginning a build. specification. The oil pump cover bolts torque down to 8 ft-lbs. Social Connection. I just need it asap. Manage Settings / LS7 89 inch lbs. Mechanically similar, General Motors' LS and LS-based Vortec engines wound up on . The block was offered in both cast-iron and aluminum with aluminum cylinder heads. TorkSpec. The listing of procedures will begin Get the most useful specifications data and other technical specs for the 2003 Chevrolet Silverado 1500 Ext Cab 143.5" WB. For many, the cold, dark, and snowy weather of the winter is a deterrent to proper maintenance and care of their vehicle. 144 In-Lbs. The 5.3 liter LS-series engine was offered from 1999-2014 and has a 3.78 bore x 3.62 stroke. / LS7 22 ft. lbs. fastens the control arms to the steering knuckle. Once the block and cylinder heads have been inspected and prepared, reassembly can begin. 6.2L V8 engines you should follow a new connecting rod bolt torque. The rod bolts should continue to be tightened using two. 140 ft-lbs. Search Car Torque Specifications by Engine or Model Foot/Lbs Bearing Cap Torque. On the upper control arm the frame bolts need to be tightened up to 140 ft-lbs. pan, as well as filling in new fluid. will be given to aid in the assembly of the engine. Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts LS1/LS6 15 ft. lbs. installation, the upper and lower control arms, and the front shock installation. Below are the torque specs for most LS engines. essential repairs for the front end of this vehicle. / LS2/LS3 18 ft. lbs. 2003 Chevrolet Silverado 1500 trims (24) (Base) 4x2 Regular Cab 6.6 ft. box 119 in. what are the torque specs and sequence for the head bolts on a 2003 chevy express van 3500 with 6 0 engine also would answered by a verified chevy mechanic, the chevrolet express is . Valve Lifter Guide Bolts LS2 89 inch lbs. These meets always fly up on you. Stabilizer Frame Bracket Bolt Torque Spec. Specifications. Cylinder Head to Engine Block Retaining Bolt (M11-First Pass in sequence) LS3/LS2/LS7/2nd Design LS1/LS6 22 ft. lbs. Premature tire wear is something to be on the lookout for. Fuel Injection Fuel Rail Bolts LS1/LS2/LS3/LS6/LS7 89 inch lbs. Ron Z. There is also a ball joint which 2003-2007 Chevrolet Silverado SS Pickup Trucks. Cylinder head bolts torque and sequence for a 2015 Chevrolet. Automotive Chassis Torque Specs. EPA Class No Data. 25,543 satisfied customers. During the repairs we will include Care must be involved in making sure everything is assembled to correct torque and clearance specifications from the instructions you are using to avoid damage or failure of engine components. Chevrolet Sprint Axle Nut Torque. with the repair procedures we also include the corresponding bolt torque specs for each fastener involved. Use Green Honda Bond, you think I'm making this shit up but I'm not, it works. Oil Pump Screen-to-Oil Pump Bolt LS1/LS2/LS6 106 inch lbs. Pace Performance. Front Wheel Hub Torque Specifications . The 2004-2007 engines made 295 hp (220 kW) and 335 lbft (454 Nm) of torque. Sierra, Silverado 4WD 03 - 01 155 210 Sierra, Silverado 4WD 00 - 99 155 210 They An example of data being processed may be a unique identifier stored in a cookie. Knock Sensors LS1/LS6 15 ft. lbs./LS2/LS3/LS7 18 ft. lbs. The 4.3L OHV engine uses 3 different sized head bolts being 5 long ones 2 medium sized ones and 6 short ones. Exhaust Manifold Bolts (Final Pass) LS1/LS6 18 ft. lbs. The torque These step-by-step instructions and video detail a sway bar link replacement on your 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, and 2007 GMC Sierra 1500. Transmission Drain Plug Torque Specs. Toll Free: 888-748-4655 Local: 330-965-7146 Crankshaft Bearing Cap Side Bolts LS1/LS3/LS6 18 ft. lbs. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Factory The Fora platform includes forum software by XenForo. the website and find your corresponding transmission. rear control arms installation, the rear swaybar information and bolt torque specs, Crankshaft Balancer Bolt (Step 2 Pass-Install a NEW Bolt After Install Pass & Tighten as Described in the First and Final Passes) LS1/LS2/LS6 37 ft. lbs. ___________________________________________________________________, Back To Chuck's Chevy Truck Pages - Home Complete LS Engine Specs & Differences Guide, about: Spring Car Maintenance Tips & Ideas, about: Everything You Need To Know About Buying a Supercharger Kit For Your Chevy Camaro, about: Your Complete Guide To Headers For Your Camaro. 44.5 in. Part ---- Foot / Inch Pounds Of Torque. Chevy Silverado 1500 4.8L Cylinder Head Torque Specs (Longest M11): 22 ft-lbs + 90 + 90 Timing Chain and Camshaft Installation On the Chevy 4.8 OHV engine the timing system is ran by the use of a chain. The long and medium sized bolts go in the center of the cylinder head where the oil can access. (Same applies to front axle). / LS3/LS7 124 inch lbs. Front Shock Upper Nut Torque Spec. The consent submitted will only be used for data processing originating from this website. In this guide we will 16.27 N-m. Years: All. Chevrolet offers a stronger 8.1 liter gasoline V8 engine which delivers 340 hp and 455 lb.ft of torque and is available for the . The following list identifies which LS engines were installed in GM / Chevy cars, trucks, and SUVs, as well as VIN codes, LS engine horsepower & torque ratings, specs, and additional info: LS1 / 5.7 Liter VIN G, 1997-2000 345 HP / 350 TQ, 2001-2004 350 HP / 365 TQ, Aluminum Block / Heads (Cathedral Port) , 3.898 Bore 3.622 Stroke, -1998-2002 Pontiac Firebird Formula, Trans Am, LS6 / 5.7 Liter VIN S, 2001 385 HP / 385 TQ, 2002-2005 405 HP / 400 TQ, Aluminum Block / Heads (Cathedral Port) , 3.898 Bore 3.622 Stroke, LR4 / 4.8 Liter VIN V, 1999 - 255 HP / 285 TQ, 2000-2007 Between 270285 HP / 285295 TQ, Cast Iron Block, Aluminum Heads (Cathedral Port), 3.78 Bore 3.27 Stroke, -1999-2006 Chevrolet Silverado / GMC Sierra 1500 Pickup Trucks, -2000-2006 Chevrolet Tahoe / GMC Yukon Full-Size SUVs, -2003-2006 Chevrolet Express / GMC Savana Vans, -2007 Classic Chevrolet Silverado / GMC Sierra 1500 Pickup Trucks, LM7 / 5.3 Liter VIN T, 1999 - 270 HP / 315 TQ, 2000-2003 - 285 HP / 325 TQ, 2004-2007 - 295 HP / 335 TQ, Cast-Iron Block/Aluminum Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 19992007 Chevrolet Silverado / GMC Sierra 1500 Pickup Trucks, 20002006 Chevrolet Suburban / Tahoe & GMC Yukon / Yukon XL 1500 SUVs, 20022006 Chevrolet Avalanche Pickup Trucks, 20032007 Chevrolet Express/GMC Savana Vans, L59 / 5.3 Liter VIN Z, Flex-Fuel, 2002-2003 = 285 HP / 320 TQ, 2004-2007 = 295 HP / 335 TQ, Cast-Iron Block/Aluminum Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 20022006 Chevrolet Tahoe/GMC Yukon & 20022006 Chevrolet Suburban/GMC Yukon XL 1500 SUVs, 20022007 Chevrolet Silverado 1500 / GMC Sierra 1500 & Chevrolet Avalanche Z71 Pickup Trucks, LM4 / 5.3 Liter VIN P, 2003-2005 - 290 HP / 325 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 2003-2004 Chevrolet SSR / GMC Envoy XL Pickup Trucks & SUVs, L33 / 5.3 Liter VIN B, 2005-2007 - 310 HP/335 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore 3.62 Stroke, 20052007 Chevrolet Silverado / GMC Sierra 1500 4WD Extended Cab Pickup Trucks, LQ4 / 6.0 Liter VIN U, 1999-2000 300-325 HP/360-370 TQ, Cast-Iron Block/Heads (Cathedral Port), 4.00 Bore 3.62 Stroke, 1999-2000 Chevrolet Express/GMC Savana Vans, 1999-2000 Chevrolet Suburban/GMC Yukon XL Denali SUVs, 1999-2000 Chevrolet Silverado / GMC Sierra 2500 HD, 3500 Crew Cab & Chassis Cab and 1500HD Crew Cab Pickup Trucks, LQ9 / 6.0 Liter VIN N, 2002-2007 345 HP / 380 TQ, Cast-Iron Block / Aluminum Heads (Cathedral Port), 4.00 Bore 3.62 Stroke, 20022006 Cadillac Escalade AWD & EXT SUVs, 20032007 Chevrolet Silverado SS Pickup Trucks, 20042006 Chevrolet Silverado / GMC Sierra Vortec HO Edition, Performance Edition, 2005-2006 GMC Sierra Denali pickup trucks and Yukon Denali SUVs, 2007 Classic Chevrolet Silverado / GMC Sierra VortecMAX & Performance Edition pickup trucks, LS2 / 6.0 Liter VIN H, 2005 -2009 400 HP / 400 TQ, Aluminum Block/Heads (Cathedral Port), 4 Bore x 3.622 Stroke, L76 / 6.0 Liter VIN Y, Active Fuel Management (AFM) / Displacement On Demand (DOD), 2007-2009 361-367 HP / 375-385 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20072009 Chevrolet Silverado / Suburban / Avalanche & GMC Sierra / Yukon XL Pickup Trucks & SUVs, L77 / 6.0 Liter VIN 2, Flex Fuel, Active Fuel Management (AFM) / Displacement On Demand (DOD), 2011-2017 362 HP / 391 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 2011-2017 Chevrolet Caprice Police Pursuit Vehicles, LY6 / 6.0 Liter VIN K, 2007 -2013 361 HP / 385 TQ, Variable Valve Timing (VVT), Cast Iron Block/ Aluminum Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20072009 Chevrolet Silverado HD / GMC Sierra HD pickup trucks, 20072013 Chevrolet Suburban 2500 / GMC Yukon XL 2500 SUVs, L96 / 6.0 Liter Flex-Fuel VIN G, 2010-2020 - 361 HP / 385 TQ, Variable Valve Timing (VVT), Cast Iron Block/ Aluminum Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20102013 Chevrolet Suburban 2500 / GMC Yukon XL 2500 SUVs, 20102019 Chevrolet Silverado HD / GMC Sierra HD Pickup Trucks, 20102020 Chevrolet Express / GMC Savana Vans, LFA / 6.0 Liter Hybrid VIN 5, 20082009 332 HP / 367 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20082009 Chevrolet Tahoe Hybrid / GMC Yukon / Cadillac Escalade Hybrid SUVs, 2008-2009 Chevrolet Silverado Hybrid / GMC Sierra Hybrid Pickup Trucks, LZ1 / 6.0 Liter Hybrid / Active Fuel Management (AFM) / Variable Valve Timing (VVT), VIN J, 2010-2013 - 332 HP / 367 TQ, Aluminum Block/Heads (Rectangle Port), 4 Bore x 3.622 Stroke, 20102013 Chevrolet Tahoe Hybrid / GMC Yukon Hybrid / Cadillac Escalade Hybrid SUVs, 20102013 Chevrolet Silverado Hybrid / GMC Sierra Hybrid pickup trucks, LY2 / 4.8 Liter VIN C, 2007-2009 260-295 HP / 295-305 TQ, Cast-Iron Block/ Aluminum Heads (Cathedral Port), 3.78 Bore 3.27 Stroke, 20072009 Chevrolet Silverado / GMC Sierra pickup trucks, 20072009 Chevrolet Tahoe / GMC Yukon SUVs, 20082009 Chevrolet Express/GMC Savana Vans, L20 / 4.8 Liter VIN A, Variable Valve Timing (VVT), 2010 2017 260-302 HP / 295-305 TQ, Cast Iron Block, Aluminum Heads (Cathedral Port), 3.78 Bore 3.27 Stroke, 20102013 Chevrolet Silverado / GMC Sierra pickup trucks, 20102017 Chevrolet Express/GMC Savana Vans, LMF / 5.3 Liter VIN 4, 2010-2014 301 HP / 325 TQ, 3.78 Bore x 3.622 Stroke, Cast Iron Block / Aluminum Heads (Cathedral Port), 2010-2014 Chevrolet Express 1500 AWD / GMC Savana 1/2 ton AWD vans, L94 / 6.2 Liter - VIN F, Active Fuel Management (AFM), Variable Valve Timing (VVT), 2010-2014 - 403 HP / 417 TQ, 4.065 Bore x 3.622" Stroke, Aluminum Block / Aluminum Heads (Rectangle Port), 2010 - 2014 Cadillac Escalade ESV / EXT , GMC Yukon / Yukon XL, LH6 / 5.3 Liter VIN M, Active Fuel Management (AFM), 2005-2009- 300-315 HP / 330-338 TQ, Aluminum Block/Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20052009 Chevrolet Trailblazer / Trailblazer EXT (2005-2006) / GMC Envoy Denali SUVs, 2007-2009 Chevrolet Silverado 1500 / GMC Sierra 1500, LY5 / 5.3 Liter VIN J, 2007-2014 315-320 HP / 335-340 TQ (pickups), 320 HP / 340 TQ (SUVs), Cast Iron Block / Aluminum Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20072013 Chevrolet Silverado 1500 & Avalanche / GMC Sierra 1500 pickup trucks, 20072014 Chevrolet Suburban 1500 & Tahoe / GMC Yukon & Yukon XL 1500, LMG / 5.3 Liter VIN 0, flex fuel, 2010-2014 -Variable Valve Timing (VVT), 2007-2014 - 315-320 HP / 335-340 TQ (pickups), 320 HP / 340 TQ (SUVs), Cast Iron Block / Aluminum Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20072013 Chevrolet Silverado 1500 & Avalanche / GMC Sierra 1500, LC9 / 5.3 Liter VIN 3 or 7, flex fuel, 2010-2014 Variable Valve Timing (VVT), 2007-2014 315 HP / 335 TQ (Pickups), 320 HP / 335 TQ (SUVs), Aluminum Block / Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20072013 Chevrolet Avalanche, Silverado 1500 / GMC Sierra 1500 4WD pickup trucks, 20072014 Chevrolet Suburban 1500 / GMC Yukon XL 1500 4WD SUVs, LH8 / 5.3 Liter VIN L, 2008-2009 300 HP / 320 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, 20082009 Hummer H3 Alpha off-road vehicle, 2009 Chevrolet Colorado/GMC Canyon pickup trucks, LH9 / 5.3 Liter VIN P, Flex-Fuel, Variable Valve Timing (VVT), 2010-2012 300 HP / 320 TQ, Aluminum Block / Heads (Cathedral Port), 3.78 Bore x 3.622 Stroke, LS4 / 5.3 Liter VIN C, Active Fuel Management (AFM), 2005-2009 303 HP / 323 TQ, 3.78, Aluminum Block / Heads (Cathedral Port), Bore x 3.622 Stroke, LS7 / 7.0 Liter VIN E, 2006-2015 505 HP / 470 TQ, Aluminum Block / Heads (Raised Rectangle Port), 4.125 Bore x 4 Stroke, L92 / 6.2 Liter VIN 8, Variable Valve Timing (VVT), 2007-2013 403 HP / 415-417 TQ, Aluminum Block/Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, 2007-2013 GMC Yukon Denali/Denali XL & Sierra Denali, L9H / 6.2 Liter - VIN 2, Variable Valve Timing (VVT), 2009 - 2013 - 403 HP / 417 TQ, Aluminum Block / Heads (Rectangle Port), 4.065" Bore x 3.622" Stroke, 2009 Cadillac Escalade ESV / EXT , Chevrolet Tahoe LTZ, GMC Yukon Denali, 2009 - 2013 GMC Yukon XL 1500 SLT, Sierra 1500 Denali / SLE / SLT, 2010-2013 Chevrolet Silverado 1500 LT / LTZ, LS3 / 6.2 Liter VIN W, 2008-2017 - 430 HP / 424 TQ, Aluminum Block /Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, 20102015 Chevrolet Camaro SS (manual transmission only), L99 / 6.2 Liter VIN J, Active Fuel Management (AFM), Variable Valve Timing (VVT), 2010-2015 400 HP / 410 TQ, Aluminum Block / Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, 20102015 Chevrolet Camaro SS (Automatic Transmission only), LS9 / 6.2 Liter, Supercharged VIN T, 2009-2013 638 HP / 604 TQ, Aluminum Block / Heads (Rectangle Port), 4.065 Bore x 3.622 Stroke, LS Performance Engine, LSA / 6.2 Liter, Supercharged VIN P, 2009-2015 556 HP / 551 TQ, Aluminum Block / Heads (Rectangle Port) , 4.065 Bore x 3.622 Stroke, LS Performance Engine, 12480030 - 2003-2004 GM Performance Products non-production block12550592 - 1997-1999 LS112551358 - 1998-1999, 2001-2005 LM7 / LR412551364 - 1998-1999 LQ4, 2001-2005 LQ4/LQ912559090 - 1998 LS112559378 - 2000-2002 LS112559846 - 1998-2000 LS112560626 - 2000 LS112561166 - 2001 LS1/LS612561168 - 2001-2004 LS1/LS612562735 - 2005 L33 / LS212566910 - 2003-2005 LM412567392 - 2002-2005 LM7 / LR412567393 - 2005 LM7 / LR412573581 - 2002-2005 LQ4/LQ912577184 - 2005 LQ4/LQ9, casting # ending in 241 - LS1 , with 2.00 / 1.55 valves, 67cc chambers, cathedral ports, casting # ending in 243,799, and 823 - LS1/LS6 , with 2.00 / 1.55 valves, 65cc chambers, cathedral ports, casting # ending in 706, 862, and 895 LM4/LM7/LR4 , with 1.89 / 1.55 valves, 61cc chambers, cathedral ports, casting # ending in 853, 806, and 933 - LS1 , with 2.00 / 1.55 valves, 67cc chambers, cathedral ports, casting # ending in 317 and 035 LQ4/LQ9 , with 2.00 / 1.55 valves, 71cc chambers, cathedral ports, casting # ending in 373 and 873 LQ4 , with 2.00 / 1.55 valves, 71cc chambers, rectangle ports, casting # ending in 364, 716, and 823 L92/LS3 , with 2.165 / 1.590 valves, 68cc chambers, rectangle ports, casting # ending in 452 LS7 , with 2.20 / 1.610 valves, 70cc chambers, rectangle (raised) ports.