SKU: WIN62350-18
MPN: 62350-18
The Crank Coupler Late Chevy 18 Spline is a precision-engineered crankshaft coupling designed specifically for small block Chevrolet engines. It is ideal for restoration enthusiasts and performance builders who require reliable power transmission between the crankshaft and accessory drive systems. This coupler is particularly beneficial for those upgrading worn factory components or restoring original-specification engines.
Constructed from durable steel, the coupler features an 18-spline design that maximizes engagement surface area and torque transfer capability. This design minimizes stress concentration and ensures a positive drive without slippage, allowing for efficient power delivery to water pumps, alternators, and other engine accessories. The compact footprint of 4.7 x 1.35 x 5.1 inches facilitates straightforward installation in tight engine bays typical of late-model Chevrolet small block platforms.
This coupler is perfect for builders looking to restore or upgrade small block Chevrolet engines. It mounts directly to the crankshaft snout and pairs with corresponding accessory drive components via the 18-spline interface. Installation requires standard hand tools and basic mechanical knowledge, making it accessible for most DIY enthusiasts.
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