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90mm Aftermarket Dished Piston 420cc Predators. Will fit most 390 style engines.
NEW TAKE OFFS 90mm Aftermarket Flat-top Piston 420cc Predators and GX390s with 90mm bore
92mm Aftermarket Dished Piston for 440 & 460cc OHV GX390 style engines.
90mm Aftermarket Flat-top Piston for big bore GX390s. Fits stock bore on 420 Predators (non-hemi).
90mm Aftermarket Flat-top Piston 420cc Predators and GX390s with 90mm bore
92mm Diameter Cast Piston. Up to 460cc when used 69mm Stroker cranks.
88mm Aftermarket Flat-top Piston for stock bore GX390s.
88mm Aftermarket Flat-top Piston for bore GX390s only.
90mm Aftermarket Flat-top Piston for bore GX390s only. Cut.060 for use with 4.510" Rod.
88mm Aftermarket Flat-top Piston for bore GX390s only. Cut.060 for use with 4.510" Rod.
Forged Flat-Top to fit GX390s (andUT2 GX340s) using ARCs +.200 stroker crank.
90mm Forged Flat-Top to fit 420cc OHV, 420 Predators, & +.080 over GX390s. Pistons have valve reliefs for high lift cams to fit both Honda & Hemi heads
90mm Forged Flat-Top to fit 420cc OHV, 420 Predators, & +.080 over GX390s - Piston has.050 shorter compression height to fit ARC Stroker Cranks
Forged Flat-Top to fit GX390s (and UT2 GX340s). Stock bore uses factory compression height & stock wrist pin diameter so it will drop in using a standard length rod.
Lightweight flat-top forged piston for 92mm bore clone engine (440 & 460). This piston along with a billet rod will complete your bullet-proof engine build.