6771243348 Dyno Tested LS3 DBW 495HP with front accessory drive system and T56 6 speed M/T transmission. .

Ohio Speed Shops engine packages are built as ordered so we can provide you personalized options and service.

Ohio Speed Shops Dyno Tested LS3 495HP Engine Package Includes:

• FREE 48 State Truck Freight Shipping
• Initial engine break-in on dyno prior to test and tuning.
• Engine Dyno Tested and Tuned.
• GM Chevrolet Performance engine controller package, ECU, engine harness, sensors and DBW gas pedal.
• GM OE black plastic intake manifold.
• GM 90mm DBW throttle body.
• GM 12576341 EV6 42lbs Injectors.
• Installed Holley 20-185 Mid-Mount Serpentine Drive System A/C, GM Type II P/S pump & 150amp Alt.
• Your choice of engine block color: natural, black, Chevy orange or bright red.
• New PMGR Starter with bolts
• Your choice of oil pan: Holley 302-1, Holley 302-2, Holley 302-3, GM F/body, GM C6, Chevy Performance Musclecar Pan.

Engine Specifications:

• Power: 495 HP @ 6200 RPM, 473 ft. lbs. of torque @ 5000 RPM.
• Brand New GM LS3 crate engine.
• Engine size: 376 CID 6.2L.
• Bore / Stroke: 4.065” x 3.622”
• Engine block: Cast Aluminum.
• Camshaft: Hydraulic Roller, Duration 219I / 228E, Lift .525I / .525E, LSA 112.
• Compression Ratio: 10.7:1
• Recommended Fuel: 91 Octane
• Maximum Recommended RPM: 6600

Tremec T56 Transmission Base Package (Contact us for complete YMM specific T56 swap packages)

• GM Tremec Magnum 6-Speed, TUET11009 2.66 1.78 1.30 1.00 .80 .63 ratios
• Aluminum GM LS/LT bellhousing with hardware.
• HD roller pilot bearing.
• Steel flywheel 6-bolt, 168T.
• 75257 McLeod Super Street Pro Clutch 12” diaphragm style, Organic/Ceramic.
• Flywheel and pressure plate bolt & hardware kit.
• HGMAGLSSK hydraulic slave/throw-out bearing package.
• Transmission mount and hardware package.
• 4QT T56 Break-in transmission fluid.
• 4QT Redline MTL 75W80 GL-4 transmission fluid.

Tremec T56 Transmission Details:

• 700 ft-lbs of torque capacity.
• Multiple shifter locations & dual speedo pickups for unmatched versatility.
• Incredibly short, extremely low-effort shift throws, with crisp, precise engagement.
• 26-spline input shaft, 4616 chromoly gears and shafts, one-piece counter shaft, triple cone synchros.
• Modern OE supercar technology.
• Reasonably light at 135 lbs. dry.

Engines are built as ordered so changes can be made such as: engine trim, serpentine drive configuration, engine paint, oil pan, etc.