• Replacement Callaway Twin Turbo Corvette component.
• Allows early crankshaft (2-piece rear seal) in newer Small Block Chevrolet cylinder block (with 1-piece rear seal).
• Requires one piece seal “late model” oil pan.
• Precision machined for perfect, leak-free fit.
• Blue anodized for corrosion protection.
• Includes all mounting fasteners and required hardware.

Callaway P/N: 210.99.1650