ATK Engines

Oil: Conventional / Non Synthetic 10W30 | Oil Filter: Wix or K&N per application | Timing: 34-36 Degrees

Oil: Conventional / Non Synthetic 10W30 | Oil Filter: Wix or K&N per application | Timing: 34-36 Degrees | Spark Plug Gap: .035”

Oil: Conventional / Non Synthetic 10W30 with Comp Cam zinc additive #159 for first 3000 miles | Oil Filter: Wix or K&N per application | Timing: 34-36 Degrees

10.0:1 compression | Cam duration at 0.50- 220 int./224 exh. | Cam lift- .528 int./.536 exh. | Hydraulic roller camshaft | Hypereutectic Pistons

415 hp | 460 ft./lbs. Torque | Hydraulic Roller | 1-piece rear main seal

Chevy 383 stroker with FiTech EFI making 415 HP | Electronic fuel injection offers better drivability and tuning | Forged internals and aluminum heads for durability | Complete engine includes intake, carb, and ignition | Dyno-proven and ready for street or strip use

HP: 415 | TQ: 460 | Block: OE roller block 4 bolt main 1pc seal 1996-2000

Block: Dart SHP LS Next Cast Iron | Bore/Stroke: 4.125” x 4.125” | Displacement (cu.in): 441 CID | Crankshaft: Scat 4340 forged 58 tooth reluctor wheel | Rods: Scat 4340 forged H beam 6.125” ARP 2000 bolts