Home > Parts > Racing Parts - Honda GX and Chinese OHV > Pistons, Rings, & Wristpins > Racing Pistons > GX390, 420s, & 460s. > 90mm (420cc) Pistons
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Piston, 90mm Flat-Top for 420cc Hemi Predator, New Take-Off Piston, 90mm Flat-Top for 420cc Hemi Predator, New Take-Off

New Take-Off 90mm Aftermarket Flat-Top Piston for 420cc Hemi Predators and GX390s with 90mm Bore

Our Price: $16.22
Piston, 92mm Dished for 440 & 460cc Predator, New Take-Off Piston, 92mm Dished for 440 & 460cc Predator, New Take-Off

92mm Aftermarket Dished Piston for 440 & 460cc OHV GX390 Style Engines

Our Price: $16.22
Piston, 90mm Flat-Top for 420 OHV & GX390 Type Engines Piston, 90mm Flat-Top for 420 OHV & GX390 Type Engines

90mm Aftermarket Flat-Top Piston for Big Bore GX390s. Fits Stock Bore on 420 Predators (Non-Hemi).

Our Price: $24.75
Piston, 90mm Flat-Top for 420cc Hemi Predator Piston, 90mm Flat-Top for 420cc Hemi Predator

90mm Aftermarket Flat-Top Piston for 420cc Predators and GX390s with 90mm Bore

Our Price: $24.75
Piston, 90mm Flat-Top, Aftermarket, Cut -.060" Piston, 90mm Flat-Top, Aftermarket, Cut -.060"

90mm Aftermarket Flat-Top Piston for Bored GX390s Only. Cut -.060 for Use with 4.510" Rod.

Our Price: $57.91
Piston, 420cc OHV & Predator (90mm), Forged Flat-Top Piston, 420cc OHV & Predator (90mm), Forged Flat-Top

90mm Forged Flat-Top to Fit 420cc OHVs, 420 Predators, and +.080 over GX390s. Pistons Have Valve Reliefs for High Lift Cams to Fit Both Honda & Hemi Heads.

Our Price: $178.00
Piston, 420cc OHV & Predator (90mm), Forged Flat-Top, Stroker Applications Piston, 420cc OHV & Predator (90mm), Forged Flat-Top, Stroker Applications

90mm Forged Flat-Top Piston for 420cc OHV, 420 Predator, & +.080 Over GX390. Has .050 Shorter Compression Height to Fit ARC Stroker Cranks.

Our Price: $182.00