Home All Products 90mm Billet Flat-Top Piston for 420cc OHV, 420 Predator, and +.080 Over GX390 SALE 90mm Billet Flat-Top Piston for 420cc OHV, 420 Predator, and +.080 Over GX390$247.00 Original price was: $247.00.$74.10Current price is: $74.10. 1000 in stock 90mm Billet Flat-Top Piston for 420cc OHV, 420 Predator, and +.080 Over GX390 quantity Add to cart Description 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. Related products SALE 292 Series – Radical Cam Grind for Drag Racing, GX200, Predator 212 $109.00 Original price was: $109.00.$32.70Current price is: $32.70. Add to cart SALE *Set of 4 Duro Slick Tires, for Race Karts $169.00 Original price was: $169.00.$50.70Current price is: $50.70. Add to cart SALE 356 Dyno Cams Racing Camshaft, GX200, 6.5 OHV Clone, & Predators TOP LEVEL $34.35 – $38.40Price range: $34.35 through $38.40 Select options This product has multiple variants. The options may be chosen on the product page SALE 22mm Round Slide Mikuni Carburetor – Gas $39.95 Original price was: $39.95.$11.99Current price is: $11.99. Add to cart
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.