Main >> Pistons >> Ross >> Auto. Stocking >> 12.5 to 1

Ford Cleveland 351 12.5 to 1 Comp Ratio Pistons Includes: Pistons, Pins, Spiro Lox Fits Ford Boss 302, 351 Cleveland, and Motorsports A, B, and C heads. ROSS Ford Cleveland pistons in this section are suitable for endurance application and nitrous systems below 250 horsepower. Ring grooves are 1/16, 1/16, 3/16. Nitrous up to 250 HP Aircraft quality pins included. Made on special hollow dome forgings for maximum strength with minimum weight. Compression ratio based on .050 total piston to head clearance (deck and gasket), with 64 cc heads.

Bore Stroke Rod Length Dome CC Pin Dia Dome Height C.H.  Weight Part # Price 4.030  3.500  5.778  12.0 0.912  0.300  1.668  558  80552 $659 4.030  3.500  6.000  12.0 0.912  0.300  1.446  520  80562 $659

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