4T60E AUTO TRANS FWD

Engine Specifications: • HP: 300 • TQ: 377 • Block: Seasoned OE roller block 1987-1995 • Bore/Stroke: up to 4.060 x 3.500 • Displacement: 351 • Crankshaft: OE 1 piece rear main seal 28oz balance • Rods: OE • Pistons: Hypereutectic 9:1 compression • Rings: Moly • Camshaft: Hyd. Roller • Cam Specs: 220/224 @50 .512in/.512 ex 112LSA • Timing Chain: Double roller • Cylinder Heads: OE #E7TE cast iron 1.77IN/1.46EX • Rocker Arms: Stamped Steel 1.6 ratio • Oil Pan: Rear sump truck pan • Oil Pump: Melling standard volume • Balancer: External balance 28oz • Flexplate/Flywheel: Pioneer external 28oz 164 tooth • Intake Manifold: Weiand Stealth dual plane • Distributor: Pro billet (upgraded melonite gear) • Water Pump: Later model LH inlet • Carburetor: Quick Fuel 670CFM vacuum secondaries electric choke • Fuel Pump: Mechanical • Spark Plugs: Autolite #24 • Spark Plug Wires: 8mm. Engine Info: • Oil: Conventional / Non Synthetic 10W30 • Oil Filter: Wix or K&N per application • Timing: 34-36 Degrees with vacuum port plugged on carburetor • Spark Plug Gap: .035” • Firing Order: 13726548 • Octane: 91+ • Stall Converter: Stock • Exhaust: 1 5/8 Headers. Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.