BluePrint® Base 331 Stroker Crate Engine 375 HP/390 FT LBS

• HP &amp Torque: 375 HP / 390 FT LBS
• Compression Ratio: 9.7:1
• Aluminum Heads
• Hypereutectic Pistons
• Roller Cam
• Cast Steel Crank
• Includes Oil pan, Timing Cover, Valve Covers And Brass Freeze Plugs
• Dyno Tested And Shipped With Results
• Every BluePrint Engine Is Backed By Their Exclusive 30 Month/50,000 Mile Warranty

Block: Hand picked 2-bolt seasoned 302, square and parallel decked, align honed main bearing bore, cylinders honed on computer controlled machine to within .0002 straightness and roundness

Rotating Assembly: New cast steel crankshaft, Hypereutectic pistons, Hastings moly rings, rotating assembly balanced to within 2 grams, Melling high-volume oil pump, hydraulic roller camshaft, Cloyes double-roller timing chain, camshaft is degreed to ensure maximum horsepower

Cylinder Heads: BluePrint Performance Aluminum, hardened retainers and springs, 2.02 swirl polished intake valves, 1.60 swirl polished exhaust valves, BP Aluminum Head Part# HP9008

Cam Specs: Cam Type: Roller .543 Intake .554 Exhaust 218 Intake / 226 Exhaust duration @ .050 - 112 degree lobe separation Ignition Timing: 34 degrees at 3500 RPM

NOTE: *Not for use in pollution controlled vehicles. *A bronze distributor gear is NOT recommended on this engine *This engine is not compatible with factory fuel injection.