
Billet Flat-Top Piston to Fit 420cc OHVs, 420 Predators, and +.080 Over GX390s
High-quality 90mm bore piston (+.080 for GX390) with standard compression height. Use with a +.040 rod for maximum compression. Pistons have valve reliefs for high-lift cams to fit both Honda and hemi heads.
High-quality 90mm bore piston (+.080 for GX390) with standard compression height. Use with a +.040 rod for maximum compression. Pistons have valve reliefs for high-lift cams to fit both Honda and hemi heads.
Original: $247.00
-65%$247.00
$86.45Description
High-quality 90mm bore piston (+.080 for GX390) with standard compression height. Use with a +.040 rod for maximum compression. Pistons have valve reliefs for high-lift cams to fit both Honda and hemi heads.











