Home > Parts > Racing Parts - Honda GX & Chinese OHV > Pistons, Rings, & Wrist Pins > Racing Pistons > GX390, 420, & 460 >

Piston, GX390, Forged Flat-Top, Stroker Applications
Piston, GX390, Forged Flat-Top, Stroker Applications

Our Price: $240.00
Memorial Day Sale $216.00
Savings: $24.00

Stock Status:In Stock

Part #: NR391

Description -
Forged Flat-Top Piston for GX390 and UT2 GX340s Using ARC +.200 Stroker Cranks
  • Standard bore piston with a .050 shorter compression height that, when used with a stock length rod, allows use of .200 stroker crank without cutting top of piston.
  • Piston has valve reliefs for high-lift cams.
  • Designed to use OEM Honda piston rings: 13010-Z5R-004 or 13011-Z5R-004 for .010" over. Can also use aftermarket rings: RINGSET-88-046046104-B
  • Wrist pin and clips included. Rings are not included!

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