High-quality 90mm bore piston (+.080 for GX390) with standard compression height. Use with +.040 rod for maximum compression. Pistons have valve reliefs for high-lift cams to fit both Honda & Hemi heads.
SALE
90mm Billet Flat-Top Piston for 420cc OHV, 420 Predator, and +.080 Over GX390
Original price was: $247.00.$74.10Current price is: $74.10.
1000 in stock
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