ATK High Performance HP411PC Chevy 489CI Stroker 565HP

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Mid Dress Engine: atkhp.com/prod...
Complete Engine: atkhp.com/prod...
Engine Specifications:
• HP: 565
• TQ: 595
• Block: Seasoned OE 4 bolt main 1pc seal Gen V 1991-1995
• Bore/Stroke: up to 4.310” x 4.250”
• Displacement: 489CI
• Crankshaft: Scat nodular iron 4.250” stroke internally balanced 1pc
• Rods: Scat 4340 forged I beam 6.385” with ARP 8740 bolts
• Pistons: Forged 10.1:1` compression
• Rings: Moly
• Camshaft: Hyd. roller
• Cam Specs: 237/243 @50 .635in/.640ex 112LSA
• Timing Chain: Double roller
• Cylinder Heads: Edelbrock aluminum 110cc/290cc 2.19/1.88
• Rocker Arms: Billet aluminum 1.7 roller rockers
• Oil Pan: OE 5qt
• Oil Pump: Melling high volume
• Balancer: Professional Products internal balance 8” #80004
• Flexplate/Flywheel: Pioneer #FRA-100 internal balance 168 tooth
• Intake Manifold: Edelbrock performer RPM #7161
• Distributor: HEI (Iron gear)
• Water Pump: OE long pump
• Carburetor: Quick Fuel 780CFM vacuum secondary electric choke #HR-780
• Fuel Pump: No mechanical fuel pump provision, must run an electric pump
• Spark Plugs: Autolite #3923
• Spark Plug Wires: 8mm