2631346139 Dyno Tested LS3 525HP with front accessory drive system and 4L65E 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.
• Self Learning Holley Terminator X Max engine and trans harness, ecu and 3.5" touchscreen display.
• GM OE LS3 intake manifold.
• 92mm cable drive throttle body with throttle cable bracket.
• Air cleaner.
• Black billet fuel rails, plumbed for passenger side front inlet. Setup for no return EFI fuel pump.
• 522-428X Holley EV6 42lbs Injectors.
• 554-102 Holley Fuel Press Sensor.
• Installed Black 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.
• Black smooth top, cast aluminum coil/valve covers.
• Your choice of engine block color: natural, black, Chevy orange or bright red.
• New HD 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: 4.065” 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

GearStar Level 4 GM 4L65E Performance Transmission

• Custom built and stalled torque converter based on your vehicle’s weight, rear diff ratio, tire size and driving/usage type.
• Rated for up to 650HP and 650 ft-lbs of torque.
• Gear ratios: 1st: 3.06, 2nd: 1.62, 3rd: 1.00, 4th: 0.70.
• Fully dyno tested and break-in run equivalent of 100 miles.
• Heavy duty new internals including 5 pinion front and rear planetary gear set and hardened output shaft.
• High capacity upgraded pump assembly.
• New internal wiring, solenoids and switches.
• 6AN inlet and outlets fittings installed in trans case.
• Universal Hayden 20,000 BTU cooler with 6AN inlet and outlets.
• Transmission mount.
• Transmission dipstick and tube not included.
• Complete installation instruction and maintenance manual.
• Shipped with 8QT of synthetic ATF in trans and 3 extra bottled quarts.
• No transmission core/exchange charges.

Engines are built as ordered so changes can be made suchas: 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.