Performance Small Engine Parts and Accessories

Bullfrog Performance Products Forged Flat Top Piston Big Block GX390, 420cc, 460cc

Product Description

Our flat top big block forged pistons are sold with the following components:

  • Forged piston (flat top)
  • Tool Steel wrist pin
  • Wrist pin clips

Select the appropriate bore size and compression height you are needing.

Stock compression height for Honda GX390, 420cc and 460cc pistons are 1.100".  Our .900" compression height pistons work with our 4.650" length connecting rods.

The 99mm bore piston comes with piston rings.

Piston rings must be purchased separately except for the 99mm bore size.

$95.00 $195.00
Maximum quantity available reached.

Related products