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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
521 - Duration 270 / 276 - 110 LSA - 1800 RPM / 5400 RPM - Big Block Ford - Each
Water Neck Manifold - 1 in Tall - 20 AN Male x Dual 3/8 in NPT Female Ports - Aluminum - Clear Anodized - Chevy V6 / V8 - Each
License Plate Frame - 12
Differential Cover - Iron - Gray Hammertone Powder Coat - Ford 9
Carburetor - Circle Track Race Series - 4-Barrel - 750 CFM - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Aluminum - Black Anodized / Tumble Polished - Each
Callies - GM LS1 4340 Forged Compstar Crank 4.000 521 - Duration 270 /Crankshaft Compstar 4. 000 in Stroke Internal Balance Forged Steel 1 Piece Seal GM LS Series Each