JE Pistons JE Pistons; Not for Turbo or Nitrous Aps; Set of 6 Pistons; Recommended RingSet: J612U6-3858 PORSCHE 911


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Part #: 274638
Notes: JE Pistons
Not for Turbo or Nitrous Aps
Set of 6 Pistons
Recommended RingSet: J612U6-3858
MSRP: $1,290.65
Your Price: $991.79
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Specs

Bore 98mm
C/D 34mm
Comp Ratio 9.5:1
Dome CC 35.2
Gram Weight 477
Head CC 90
Oversize 3mm
Rod 127.8mm
Skirt Type R
Stroke 70.4mm

This Item Also Available In

Part Number Price Notes & Specs
274048 $886.55 Notes JE Pistons
Not for Turbo or Nitrous Aps
Set of 6 Pistons
Recommended RingSet: J650U6-3740
Bore 95mm
C/D 34mm
Comp Ratio 9.5:1
Dome CC 38.5
Gram Weight 450
Head CC 90
Oversize STD
Rod 127.8mm
Skirt Type R
Stroke 70.4mm
274049 $844.05 Notes JE Pistons
Not for Turbo or Nitrous Aps
Set of 6 Pistons
Recommended RingSet: J650U6-3740
Bore 95mm
C/D 34mm
Comp Ratio 10.5:1
Dome CC 44.7
Gram Weight 472
Head CC 90
Oversize STD
Rod 127.8mm
Skirt Type R
Stroke 70.4mm
274051 $941.53 Notes JE Pistons
Not for Turbo or Nitrous Aps
Set of 6 Pistons
Recommended RingSet: J612U6-3858
Bore 98mm
C/D 34mm
Comp Ratio 10.5:1
Dome CC 41.8
Gram Weight 482
Head CC 90
Oversize 3mm
Rod 127.8mm
Skirt Type R
Stroke 70.4mm

All Fitments

PORSCHE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1976 - 1983 911 SC H6 3.0 N ALL GAS

Product Description

Designed for air-cooled 911 engines with a Nickel Ceramic bore, JE Porsche 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 for OEM style rings. (Except 2.7L)

*Application Specific Forgings for an Optimized, Uniform Crown Thickness
*Contact Reduction Groove to Minimize Frictional Drag
*Accumulator Groove for Increased Top Ring Stability and Sealing
*CNC-Machined Side Relief with Lower Support Band for Additional Skirt Strength
*Honed Pin Bores, Double Pressure Fed Pin Oilers and Wire Locks Included
*JE ProSeal Piston Rings are included with your JE Pistons

JE Pistons are sold in matched sets.

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