Porsche JE Pistons 911 2.4L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT - ***Single Piston***
Price: $354.55
Select Size:
- Bore
- Engine Compression Ratio (CR)
- Volume Dome CC
- 84mm = 3.307in 9.5:1 27.7
- 84mm = 3.307in 10.5:1 32.5
- 85mm = 3.346in 9.5:1 26.8
- 85mm = 3.346in 10.5:1 31.7
- 87.5mm = 3.445in 9.5:1 24.3
- 87.5mm = 3.445in 10.5:1 29.5
More Description
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Description
Designed for Porsche Air-cooled 911 engines compatible with a Nickel Ceramic bore, these pistons are machined from forged 2618 alloy for greater strength. The valve pockets are machined to accommodate high lift cams, and accept the stock stroke and rod length. The ring grooves are precision CNC machined and all new applications include skirt coating and 3D undercrown milling. Piston clearances designed for aluminum cylinders, steel/iron cylinders may require additional clearance.
Includes:
Accumulator Grooves
Skirt Coating
3D Lightweight Undercrown Milling
Pin fitting and wire locks
9310 high carbon alloy or tool steel wrist pins
Rings Included -
Sizing Chart
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#353229 84 STD 70.4 127.8 33.9 68 9.5:1 27.7 M, U R JG1006-3307 353230 84 STD 70.4 127.8 33.9 68 10.5:1 32.5 M, U R JG1006-3307 353231 85 1 70.4 127.8 33.9 68 9.5:1 26.8 M, U R JG1006-3346 353232 85 1 70.4 127.8 33.9 68 10.5:1 31.7 M, U R JG1006-3346 353233 87.5 3 70.4 127.8 33.9 68 9.5:1 24.3 M, U R JG1006-3445 353234 87.5 3 70.4 127.8 33.9 68 10.5:1 29.5 M, U R JG1006-3445 -
Piston Specifications
Top Compression Ring Thickness 0.0400 Second Compression Ring Thickness 0.0480 Oil Ring Thickness 0.111 Forging Type Round Series JE Pistons Piston Head Type Dome Pin Diameter (IN) 0.866 Make PORSCHE Wrist Pin Style - floating or press fit Floating Wall Type CHAMFERED Wall Thickness (IN) 0.150 Ringset Part Number JG1001-3307 Ring Brand ProSeal Ringset Included Yes Retainer Thickness 0.063 Retainer Lock Style Wire Lock Retainer Lock Part Number 866-063-MW Retainer Diameter (IN) 0.866 Piston Pin Inside Diameter 0.566 Piston Material 2618 Piston Pin Length (IN) 2.500 Pin Offset No Pin Brand JE Pistons Pin Part Number 866-2500-15-93C Pin Included Yes Pin Diameter (mm) 22.00 Oil Rail Support Included No Deck Clearance -0.040 Brand JE Pistons