90mm Flat Top Piston, for 420 OHV & GX390 Engines

PART NUMBER: 1602984

Availability: Ships same day if ordered by 12PM EST

In Stock Today: 8

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$29.99

90mm Aftermarket Flat-top Piston for big bore GX390s. Fits stock bore on 420 Predators (non-hemi).

GX390s Blocks can be bored to accept this piston
407cc using stock crank,
433 with +.160 Stroker Cranks,
440cc with .200 Crank
Includes Piston & Rings

( Pin and Clips not included)

Picture for reference only, actual part may be slightly different

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90mm Flat Top Piston, for 420 OHV & GX390 Engines

$29.99

90mm Aftermarket Flat-top Piston for big bore GX390s. Fits stock bore on 420 Predators (non-hemi).

GX390s Blocks can be bored to accept this piston
407cc using stock crank,
433 with +.160 Stroker Cranks,
440cc with .200 Crank
Includes Piston & Rings

( Pin and Clips not included)

Picture for reference only, actual part may be slightly different