SKU: SCAB990
UPC: 846091045502
MPN: B990
The BBC Wrist Pin Bushing .990in is a precision-engineered component by SCAT Enterprises, specifically designed for big-block Chevrolet engine builds and rebuilds. This small yet critical part serves as the bearing surface between the wrist pin and connecting rod, ensuring smooth articulation of the piston assembly during the engine's combustion cycle.
Manufactured to exacting tolerances, this .990-inch wrist pin bushing provides the necessary bearing surface to reduce friction and micro-motion between the hardened wrist pin and the connecting rod bore. This design protects both components from galling and scuffing under extreme combustion pressures and inertial loads, making it essential for maintaining proper pin clearance and preventing premature wear.
Ideal for engine builders, machine shops, and automotive enthusiasts, this wrist pin bushing is crucial for big-block Chevrolet engine assembly or reconditioning. Proper installation requires precision honing or bore finishing to ensure a tight interference fit, accommodating pins of .990 inches in diameter for safe engine operation.
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