90mm Forged Flat-Top Piston For 420cc 420 Predator and +.080 Over GX390





 
Condition: 100% Brand New & High Quality
Size: As Picture

Fitment:  For 420cc 420 Predator and +.080 Over GX390

Note:

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

Package Include:  90mm Forged Flat-Top Piston


 

 

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This item does not include a paper manual. If you have any questions during installation, feel free to contact us anytime.




 

Condition: 100% Brand New & High Quality
Size: As Picture

Fitment:  For 420cc 420 Predator and +.080 Over GX390

Note:

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

Package Include:  90mm Forged Flat-Top Piston
ibay365


On Nov 25, 2025 at 20:03:24 PST, seller added the following information:

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