Icon Premium Forged Piston Forged 4.156" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 25.0 cc 356602 so an adapter must be

so an adapter must be used when installing a water pump with a 5/8" shaft

Please follow these instructions carefully

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Magnum FORCE Dynamic

Hedman Hedders 2 1/2" Aluminized Steel Collector Ball Flange Kit

Icon Premium Forged Piston Forged 4.156" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 25.0 cc 356602 so an adapter must beProduct Description: Piston Premium Forged Forged 4. 156 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 25. 00 cc Oldsmobile V8 Set of 8 Icon Pistons brings the same quality and performance you've come to expect from United Engine brands. ICON forgings are created at our in house facility, utilizing the latest innovations in piston forging technology. Each ICON piston is purpose built from the ground up for extreme high performance street or racing