Manley Crankshaft, CRANK-4340 BILLET 4.000 STROKE CCW firebird Reduce weight and increase front

Reduce weight and increase front end rigidity on your S550 and S650 Mustang with a K-Member from BMR Suspension

whether your car is a weekend cruiser or a weekend track addict

Increased power and excellent scuff protection

They are either silver powder coated for excellent longevity

Manley Crankshaft, CRANK-4340 BILLET 4.000 STROKE CCW firebird Reduce weight and increase frontwe're providing the core strength your engine build demands. The Pro Series 4340 Alloy Steel Crankshaft is an efficient and precisely balanced foundation for performance, built not just to survive, but to handle extremes across a wide range of applications.