Home > Parts >

Piston, 420cc OHV & Predator (90mm), Billet Flat-Top, Stroker Applications, Diamond
Piston, 420cc OHV & Predator (90mm), Billet Flat-Top, Stroker Applications, Diamond
 
Alternative Views:
Our Price: $247.00

Stock Status:In Stock

Part #: NR421
Qty:

Description -
 
90mm Billet Flat-Top Diamond Piston for 420cc OHV, 420 Predator, and +.080 Over GX390
Stroker Version - Piston has .050 shorter compression height to fit ARC Stroker Cranks

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. Valve reliefs fitted for 38mm intake, and 34mm exhaust valves, but can be clearanced to fit larger sizes.

  • Bore: 90mm (3.543")
  • Clearance: .0025" (@ .850 down from oil land)
  • Pin Height: .050" lower than stock for stroker cranks

*Wrist pin and clips included. Rings not included. For rings, order part # RINGSET-90-076076106.

Share your knowledge of this product. Be the first to write a review »