350 Gas Ported (GP) Inverted Dome

Specifically designed for circle track and road racing applications, where the rules call for a 9.5:1 piston. GP Series accepts .043, .043, 3mm backcut rings and includes lateral gas ports for optimum ring seal. Standard 350 Series accepts 1/16, 1/16, 3/16 rings.

Includes:

  • Pin #927-2750-15-51S (130g)
  • Double Spiro Locks # 927-042-CS
  • Lateral Gas Ports on GP Series
Part # Brand Bore Stroke Rod Deck Head CC Comp. Ratio Comp. Height Crown Vol. Ring Set Head Type Stock Action
173582 JE Pistons 4.030 3.500 6.000 9.000 58.0 10.1 1.250 -13.00 J71408-4030-5 Inv Dome/Dish Back Order
173582 JE Pistons 4.030 3.500 6.000 9.000 76.0 8.4 1.250 -13.00 J71408-4030-5 Inv Dome/Dish Back Order
173582 JE Pistons 4.030 3.500 6.000 9.000 64.0 9.5 1.250 -13.00 J71408-4030-5 Inv Dome/Dish Back Order
173581 JE Pistons 4.030 3.500 6.125 9.000 76.0 8.4 1.125 0.00 J71408-4030-5 Inv Dome/Dish Back Order
173581 JE Pistons 4.030 3.500 6.125 9.000 64.0 9.5 1.125 0.00 J71408-4030-5 Inv Dome/Dish Back Order
173581 JE Pistons 4.030 3.500 6.125 9.000 58.0 10.1 1.125 0.00 J71408-4030-5 Inv Dome/Dish Back Order