JE Pistons Honda K20 Pistons Ultra Series (Set of 4)

Technical Notes:

• Crown requires no deburring or preparation
• 2618 T6 high tensile forged aluminum
• NEW SYMMETRICAL K20C FSR forging! State of the art skirt technology with a dedicated skirt designed to reduce friction and mass while providing a more rigid and durable platform (Skirt Style F).
• In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
• FSR pistons include offset pins for quiet operation.

HONDA K20C TURBO Ultra Series Includes:  Grain Flow Optimized Forging  Lateral Gas Ports  Ceramic Crown Coating  Perfect Skirt Coating  Accumulator Groove  Double Broach Pin Oiling  Upgraded 9310 Pins and locks  Carbon Steel Nitride Rings  OEM K20C Connecting rod pin bore must be honed to accept 22mm (.866") wrist pin.

Part # Bore Oversize Stroke (mm) Rod (mm) C/D (mm) Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included Ring Set# 361278 86.00 STD 85.9 143.66 32 51.3 10.0:1 0 356 ULTRA F JG1204-3386 361279 86.50 0.50 85.9 143.66 32 51.3 10.0:1 -0.6 360 ULTRA F JG1204-3405