S&S 920-0148 Pistons 131 +.010 M8
Piston Kit
All piston kits come with two pistons, rings, wrist pins, and wrist pin keepers
Compression ratios listed are approximate and are calculated using the correct length cylinders as specified by S&S
Requires the use of connecting rods with a rod length of 7.440"; Use of earlier connecting rods with a rod length of 7.470" will result in a slight increase in the compression ratio of about 1/2 point, and may also result in clearance problems (check all piston to cylinder head clearances carefully when using the early style rods).
Specifications-
Stroke Length: 4,625"
Product Name: Piston Kit
Units: Kit
Style: Big Bore
Bore - Oversize: +0,010"
Piston Head Shape: Dished
Displacement: 131"
Bore Oversize - Imperial: +0.010"
Bore Size: 4,250"
Fitment-
HARLEY DAVIDSON
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