These pistons are a 4.500" bore -5cc FLAT-TOP piston which will work in an aftermarket block with our 4.500" stroke and 7.100" rod "572CI" 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#: |
4.500"
(Aftermarket Block) |
-5cc
(Flat-top) |
1.355" |
-.015" |
13.37 |
13.38 |
13.00 |
12.64 |
11.99 |
11.79 |
11.59 |
8000 |