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351 Cleveland Performance Engine Build Rotating Assembly

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Clevelands are clearly different from their 289/302/351W counterparts due to canted-valve cylinder heads. Canted or poly-angle valves change the location of piston valve reliefs entirely, which makes these pistons compatible only with Cleveland cylinder heads. Note valve relief positioning at 8 and 2 o'clock, as well as cylinder notching for additional valve clearance.
351C Performance With Common Parts - A Cleveland Course of Action

 Clevelands are clearly different from their 289/302/351W counterparts due to canted-valve cylinder heads. Canted or poly-angle valves change the location of piston valve reliefs entirely, which makes these pistons compatible only with Cleveland cylinder heads. Note valve relief positioning at 8 and 2 o'clock, as well as cylinder notching for additional valve clearance.  View Related Article

 

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