JS Ultralight Rods & Pistons

Ultralight Rods & Pistons

The bushless ultralight rod below was designed for 500 to 650 Dominators and long stroke 750s up to 75 hp. They weigh 10 grams less on the small end than our regular bushless rod. Small end = 95 grams. Big end = 307 grams. This ultralight rod provides maximum smoothness.  DLC pins only.

 

ultralight rod

68 – 69.5mm Flat top pistons for 600 & 650ss Dominator

68 to 69.5mm flat top pistons below are approx 9:1 C.R. for 650SS Dominators.  Stock rod piston shown below.

68 – 69.5mm Hi C.R domed pistons for 600 & 650ss Dominator

68 to 69.5mm centrally domed piston below are approx 10:1 C.R. for 600 & 650 Dominators. They weigh approx 165 grams and go with our Ultralight 6.4″ length rods.

69mm dome

66 – 67.5mm flat top pistons for 500 Dominator

66 to 67.5mm flat top pistons below are approx 7.5 C.R. for a 500cc Dominator. They weigh about 165 grams and go with our Ultralight 6.4″ length rods (6.4″ Ultralight rods for 1.5″ journals are available on special order). Long rod piston shown below.

69mm flat

66 – 67.5mm Hi C.R. domed pistons for 500 Dominator

66 to 67.5mm centrally domed pistons below are approx 9:1 C.R. for a 500cc Dominator. They weigh approx 165 grams and go with our Ultralight 6.4″ length rods (6.4″ Ultralight rods for 1.5″ journals are available on special order).

67mm 170gm pistons

66 – 67.5mm Medium C.R. domed pistons for 500 Dominator

Medium compression 66 to 67.5mm domed pistons below for street. Less weight than than stock. Stock rod pistons shown below.

66 – 67.5mm Hi C.R. domed pistons for 500 Dominator

High compression 66 to 67.5mm domed pistons below for street or racing. Less weight than than stock. Stock rod pistons shown below.