Moroso Double Groove Crankshaft Pulley - Ford Boss 302 - 351C - M - 400 - Double Groove - 4" Diameter Fits All 4 Bolt Dampeners - Reduction Ratio Varies - 4.00" O.D 28650BK Borla is the pioneer and

Borla is the pioneer and leader in the design and manufacture of stainless steel performance exhaust

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Chevy Car 1997-2017

Moroso Double Groove Crankshaft Pulley - Ford Boss 302 - 351C - M - 400 - Double Groove - 4" Diameter Fits All 4 Bolt Dampeners - Reduction Ratio Varies - 4.00" O.D 28650BK Borla is the pioneer andPrecision machined from high grade, lightweight aluminum castings Extra deep belt grooves provide added belt retention during rapid changes in engine RPM Small pulley diameter slows fan, water pump, and alternator speed to reduce horsepower robbing drag High RPM water pump operation is improved, reducing impeller speed below cavitation threshold Use 36 x 17 32" wide belt NOTE: Image shows #MOR64110 and is for reference only. Actual part shipped will