HP & Torque: 491 HP / 509 FT LBS Compression Ratio: 10.4:1 Aluminum Heads Hydraulic Roller Cam Forged Crank Forged Pistons Block:
NEW BluePrint Cast Iron Block Manufactured and Machined in the USA! Align honed main bearing bore Cylinders honed on computer controlled machine to within .0002 straightness and roundness Cylinders are sonic tested for thickness 4-Bolt Main 4.000″ Bore 1-Piece Rear Main Seal Mech fuel pump provision: Yes Passenger Side Dipstick Drilled and tapped for clutch linkage Rotating Assembly:
New BluePrint Forged Crankshaft 3.875 ” Stroke Forged I-beam 6.000″ connecting rods Forged Pistons Internal Front/ External Rear Cylinder Heads:
BluePrint Aluminum Cylinder Heads – HP8103 64cc chamber 2.08″ intake/1.60″ exhaust valves 220cc intake/67cc exhaust runners Cam Specs:
Cam Type: Roller .544 Intake .555 Exhaust 230 Intake / 236 Exhaust duration @ .050, 110 ° lobe separation angle Ignition Timing:
34 degrees total at 3500 RPM Also Includes:
Valve covers, oil pan and timing cover Dyno test results shipped with engine Warranty:
30 month / 50,000 mile Notes:
A bronze distributor gear is NOT recommended on this engine Not for use in pollution controlled vehicles. This engine features a true 4-inch bore, which mathematically yields 389 CID with a 3.875-inch stroke. 93 octane or higher is recommended for this engine. The performance aluminum cylinder heads on this engine feature a .500 raised port vs OEM. Warranties
30 month / 50,000 mile
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