M157

M157

M157

Piston Features:
  • Designed to work with OEM bore coating
  • 3D milling on piston crowns for ready to install finish
  • Offset pins for quiet operation
  • Moly skirt coating for friction loss and skirt wear protection
  • Ratios figured for OEM head gasket
  • Top ring down dimension: .240"
  • Premium H-13 .225W wrist pins chamfered for roundwire locks included
  • Premium 1.2mm x 1.2mm x 3.0mm ring package included (Ringset for OEM bores, if using aftermarket sleeves, please call to order)
  • Over-sized valve pockets - for larger than stock valve sizes
  • Valve pocket depth: 0.045" intake and 0.045" exhaust
  • 2618 material for High HP/Boost applications
  • Pistons designed to work with OEM and aftermarket rods with a .787" SE width, pistons use pin boss spacers to guide the connecting rod.

 

Items 1-2 of 2
Item No
Bore
Stroke
Rod
Comp Height
Pin
Cc
Comp. Ratio
39100-8  98.0mm 90.5mm 5.765 1.185 .945 x 2.500 -8.65cc 10.0
39101-8 98.5mm 90.5mm 5.765 1.185 .945 x 2.500 -8.65cc 10.0