Porsche JE Pistons 911 3.0L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT - ***Single Piston***
Price: $354.55
Select Size:
- Bore
- Engine Compression Ratio (CR)
- Volume Dome CC
- 95mm = 3.740in 9.5:1 38.5
- 95mm = 3.740in 10.5:1 44.7
- 95mm = 3.740in 11.5:1 49.7
- 98mm = 3.858in 9.5:1 35.2
- 98mm = 3.858in 10.5:1 41.7
- 98mm = 3.858in 11.5:1 47.1
- 100mm = 3.937in 9.5:1 32.9
- 100mm = 3.937in 10.5:1 39.8
- 100mm = 3.937in 11.5:1 45.3
- 102mm = 4.016in 10.5:1 37.7
- 102mm = 4.016in 11.5:1 43.5
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#353246 95 STD 70.4 127.8 33.9 90 9.5:1 38.5 U R JG1006-3740 353247 95 STD 70.4 127.8 33.9 90 10.5:1 44.7 U R JG1006-3740 353248 95 STD 70.4 127.8 33.9 90 11.5:1 49.7 U R JG1006-3740 353249 98 3 70.4 127.8 33.9 90 9.5:1 35.2 U R JG1006-3858 353250 98 3 70.4 127.8 33.9 90 10.5:1 41.7 U R JG1006-3858 353251 98 3 70.4 127.8 33.9 90 11.5:1 47.1 U R JG1006-3858 353252 100 5 70.4 127.8 33.9 90 9.5:1 32.9 M, U R JG1006-3937 353253 100 5 70.4 127.8 33.9 90 10.5:1 39.8 M, U R JG1006-3937 353254 100 5 70.4 127.8 33.9 90 11.5:1 45.3 M, U R JG1006-3937 353255 102 7 70.4 127.8 33.9 90 10.5:1 37.7 M, U R JG3106-4020-2353256 102 7 70.4 127.8 33.9 90 11.5:1 43.5 M, U R JG3106-4020-2 -
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 JG1001-3740 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