Platinum Series Pistons - 4.375 -30 Dished

These pistons are a 4.375" (.055 over) bore -30cc DISHED piston which will work in a 440 block with our 4.375" stroke and 7.100" rod "528CI" stroker combination. All our platinum pistons use 1/16, 1/16, 3/16 ring pack for less frictional loss, and weight saving, full floating .990 pin size. Our table below lists detailed compression ratios.

Bore Size:	Dish (-) or  Dome (+) CC's	Compression Height:	Distance Below Deck:	65CC	72CC	75CC	78CC	84CC	86CC	88CC	Part#:
4.375 (.055 over)	-30	1.423"	-.009"	11.08	10.46	10.22	9.98	9.56	9.42	9.29	5038