Piston Design:

- Advanced, lightweight FSR forging that eliminates stress concentrations for superior strength.
- Up to 20% lighter than traditional equivalent.
- High-silicon 4032 aluminium alloy for reduced piston-to-wall clearance and quiet operation.
- Accumulator grooves for improved ring seal.
- Designed for normally aspirated or moderate forced induction/nitrous applications.

Rings Included:

- Lightweight, low friction metric ring package included.
- 1.0mm Steel Nitrided top ring, 1.2mm Napier 2nd ring, 2.8mm oil ring.
- Napier 2nd ring for improved oil control.
- Minimal filing required.

Pins and Locks:

- High quality 2.350" pin further reduces reciprocating weight.
- Carbon steel wire locks included.

Specification:

BORE: 86.00
OVERSIZE: STD
STROKE (MM): 86
ROD (MM): 143.8
C/D (MM): 34.72
HEAD CC'S: 50.5
C/R WITH .040: 9 .0 : 1
DOME CC'S: -5
GRAM: 316
FOOTNOTE: T/M
SKIRT: F
INCLUDED RING SET: JG1004-3386

For Evo Model X.

Stock images used. Actual product may vary.