Block
• Block: OE roller block 4 bolt main 1pc seal 1996-2000
• Bore/Stroke: 4.040” x 3.750”
• Displacement: 383CI
Short Block Features
• Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
• Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
• Pistons: Forged 10:1 Compression
• Rings: Moly
• Camshaft: Hyd. Roller
• Cam Specs: 224/236 @50 .591in/.591ex 108LSA
• Timing Chain: Double Roller
Camshaft Advertised Duration
-
Camshaft Duration @ .050"
224° Intake | 236° Exhaust
Camshaft Lift
.591 Intake | .591 Exhaust
Heads
• Cylinder Heads: Dart SHP American Made aluminum 72cc/200cc 2.02/1.60
• Rocker Arms: Billet aluminum roller rockers 1.6 ratio
Additional Parts Included
• Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
• Oil Pump: Melling STD Volume
• Flexplate/Flywheel: Externally Balanced – Pioneer #FRA-159 (with Scat kit)
• Balancer: Internally Balanced – PowerBond #PB1046-N
• Intake Manifold: ATK dual plane
• Distributor: HEI (Iron Gear)
• Water Pump: OE long pump
• Carburetor: Quick Fuel 680CFM Vacuum secondary’s electric choke #HR-680
• Fuel Pump: Mechanical fuel pump
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm
Engine Info/RecommendationsNOT INCLUDED
• Oil: Conventional / Non Synthetic 10W30
• Oil Filter: Wix or K&N
• Timing: 34-36 Degrees
• Spark Plug Gap: .035”
• Firing Order: 18436572
• Octane: 91+
• Stall Converter: 2500+
• Exhaust: 1 ¾ Headers
Notes: This engine WILL NOT produce enough vacuum for power brakes.
Warranty
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 or other aftermarket parts. . ATK reserves the right to substitute parts used in engines if necessary.