2671341647 Dyno Tested LS3 525HP deluxe engine package with TKX 5 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 525HP 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.
• MSD 60143 Ignition Controller with harness.
• TFS-32600111 Trick Flow R-Series single plane intake manifold.
• Holley 850 CFM Aluminum Street HP Mechanical Secondary, (air bleeds, jets & accel pumps adjustments and changes performed during dyno testing).
• Black, Silver or Chrome 14” air cleaner.
• Black finned top, cast aluminum, coil covers.
• Installed Black Diamond CVF HD 8-Rib Serpentine Drive System A/C, GM Type II P/S pump & 140amp Alt.
• Remote power steering reservoir, hose and fitting package.
• PW30700 Painless Performance High Amp Alternator Wiring Kit.
• 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: 525 HP @ 6200 RPM, 486 ft. lbs. of torque @ 5200 RPM.
• Brand New GM LS3 long block
• Engine size: 376 CID 6.2L
• Bore / Stroke: 4.000” x 3.622”
• Engine block: Aluminum
• Camshaft: Hydraulic Roller, Duration 226I / 236E, Lift .525I / .525E, LSA 110
• Compression Ratio: 10.7:1
• Recommended Fuel: 91 Octane
• Maximum Recommended RPM: 6600

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

• Tremec TCET17805 5 speed manual transmission, 2.87 1.89 1.28 1.00 .68 Ratios.
• BHG-LAK00105A Aluminum GM LS/LT bellhousing with hardware.
• HD roller pilot bearing.
• Steel flywheel 6-bolt, 168T.
• 6911-07 McLeod RST Twin Disc Clutch Kit, diaphragm style, Organic.
• Flywheel and pressure plate bolt & hardware kit.
• HGTKXLSSK hydraulic throw-out bearing package with spacers.
• Transmission mount and hardware package.
• 3QT TKX Break-in transmission fluid.
• 3QT TKX 75W80 GL-4 transmission fluid.

Tremec TKX Transmission Details:

• 600 lb.-ft. of torque capacity; capable of engines speeds of 8,000 RPMs with shifts at 7,500 RPMs.
• Designed for multiple applications with three shifter locations.
• Compact, end-loaded design provides clearance in most transmission tunnels without floor modifications.
• Increased case strength with three-piece aluminum housing provides outstanding structural stiffness.
• Gaskets at all flanges simplifies installation and eliminates fluid leaks.
• Superior shift-ability through use of multi-cone synchronizers and hybrid synchronizer rings made of sintered bronze and carbon.
• All gears and shafts made from special grade steel (ASTM 4615), providing increased torque carrying capacity.
• Equipped with a high-performance short-throw billet aluminum shifter that isolates road noise, while providing clean, crisp shifts.
• Robust design with internal three-rail shift system and a combination of aluminum and steel shift forks.
• Wide gear width increases gear life and torque capacity.

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

CVF Racing front accessory drives are available with or without A/C, with or without P/S, Saginaw, GM Type II or Hydro Boost power steering pumps available. Black, Polished and other finishes available.