Sportsman Race Assemblies
• 4340 Forged Steel Crankshaft
• 4340 Steel H-Beam Rods
• Howards ProMax Pistons
• Howards True Seal Plasma Moly Ring Set
• Clevite H-Series Rod & Main Bearings
Part Type: Rotating Assembly
Application: Chevrolet LS
Deck Height: 9.240"
Main Bearing Type: LS
Bore: 3.905"
Stroke: 4.000"
Actual Cubic Inch: 383
Crankshaft: 4340 Forged Steel with 24T Reluctor
Pistons: Howards ProMax Pistons
Piston Dome Type/Volume: -12cc Inverted Dome
Compression: 10.1:1 w/66cc, 9.7:1 w/70cc
Piston Pins: Included
Connecting Rods: 6.125" 4340 Steel H-Beam Rods
Rings: Howards True Seal Plasma Moly Rings
Rod Bearings: Clevite Series
Main Bearings: Clevite Series
Balanced: No
Flexplate Included: No
Harmonic Balancer Included: No
Manufacturer: Howards Racing Components
Manufacturer's Part Number: SR403LF
Quantity: Sold as Kit