New Product - Lightweight pistons and pins for stock 961 rods

Just in. Available in 88 through 90mm bore sizes. For iron or Nikasil cylinders. 10+ C.R. depending on bore size. Only 270 grams compared to 320 grams stock. The JS pins weight 73 grams comprared to 88 stock. Thats a total savings of 130 grams saving for a noticable reduction in vibration and engine stress. Expect more HP and higher RPM. JSmotorsport.com

jseng1 said:

Just in. Available in 88 through 90mm bore sizes. For iron or Nikasil cylinders. 10+ C.R. depending on bore size. Only 270 grams compared to 320 grams stock. The JS pins weight 73 grams comprared to 88 stock. Thats a total savings of 130 grams saving for a noticable reduction in vibration and engine stress. Expect more HP and higher RPM. JSmotorsport.com

Click to expand...

Are those gapless rings?

No they are not gapless but you can ask for them - they are available. And TI coater rings are available for Nikasil cylinders.