Ultra Series Piston Set By JE - 82.5mm +1.50mm Oversize Bore | 9.5:1 CR | Stock Stroke - 86.4mm - VW/Audi 1.8T 20V | 367858
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NOTE: Image shown not actual parts.
Ultra Series combines all our premium features and a revolutionary
new forging technology into an off-the-shelf piston kit! This in-
cludes an Aligned Grain Flow Forging, a proprietary JE technology
that aligns forging grain flow in critical areas to improve strength.
• Designed for Power: Every feature on Ultra Series Pistons are optimized
to perform flawlessly in high horsepower racing engines. This includes
lateral gas ports, thicker ring lands, and dual pin oiling.
• Aligned Grain Flow Forging: Exclusively available on SE Ultra Series,
these optimized 2618 alloy forgings offer added strength over traditional
2618 forgings.
• "Perfect Skirt" Coating: This patented skirt coating reduces friction and
provides a tighter clearance that eliminates cold-start slap and false knock
on computer-controlled engines.
• Thermal Barrier Crown Coating: This ceramic-based coating reflects heat
into the combustion chamber, therefore reducing piston crown temperatures
and improving exhaust gas scavenging.
• 9310 Alloy Wrist Pins: These high strength, premium thick wall wrist pins
are manufactured by Trend Performance in the USA
Bore (in) 3.248
Bore (mm) 82.5
Top Compression Ring Thickness 0.0400
Second Compression Ring Thickness 0.0480
Oil Ring Thickness 0.111
Forging Type FSR
Volume (cc) -4.50
Series JE Ultra Series
Piston Head Type Inv Dome/Dish
Pin Diameter (IN) 0.787
Compression Height 1.281
Make AUDI / VOLKSWAGEN
Wrist Pin Style - floating or press fit Floating
Wall Type CHAMFERED
Wall Thickness (IN) 0.210
Ringset Part Number JG1001-3250
Ring Brand ProSeal
Ringset Included Yes
Retainer Thickness 0.050
Retainer Lock Style Wire Lock
Retainer Lock Part Number 787-050-MW
Retainer Diameter (IN) 0.787
Replacement Single Piston 367858S
Piston Pin Inside Diameter 0.367
Piston Pin Material 9310 NICKEL CARBON STEEL ALLOY
Piston Material 2618
Piston Pin Length (IN) 2.250
Pin Offset No
Pin Brand JE Pistons
Pin Part Number 787-2250-21-93C
Pin Included Yes
Pin Diameter (mm) 20.00
Oil Rail Support Included No
Deck Clearance -0.010
Brand JE Pistons
OE Part #'s:
06B-107-065-N / 06B107065 N / 06B 107 065 N / 06B107065N
06B-107-065-F / 06B107065 F / 06B 107 065 F / 06B107065F
6B1-070-65N / 6B1 070 65N / 6B107065N
Ultra Series combines all our premium features and a revolutionary
new forging technology into an off-the-shelf piston kit! This in-
cludes an Aligned Grain Flow Forging, a proprietary JE technology
that aligns forging grain flow in critical areas to improve strength.
• Designed for Power: Every feature on Ultra Series Pistons are optimized
to perform flawlessly in high horsepower racing engines. This includes
lateral gas ports, thicker ring lands, and dual pin oiling.
• Aligned Grain Flow Forging: Exclusively available on SE Ultra Series,
these optimized 2618 alloy forgings offer added strength over traditional
2618 forgings.
• "Perfect Skirt" Coating: This patented skirt coating reduces friction and
provides a tighter clearance that eliminates cold-start slap and false knock
on computer-controlled engines.
• Thermal Barrier Crown Coating: This ceramic-based coating reflects heat
into the combustion chamber, therefore reducing piston crown temperatures
and improving exhaust gas scavenging.
• 9310 Alloy Wrist Pins: These high strength, premium thick wall wrist pins
are manufactured by Trend Performance in the USA
Bore (in) 3.248
Bore (mm) 82.5
Top Compression Ring Thickness 0.0400
Second Compression Ring Thickness 0.0480
Oil Ring Thickness 0.111
Forging Type FSR
Volume (cc) -4.50
Series JE Ultra Series
Piston Head Type Inv Dome/Dish
Pin Diameter (IN) 0.787
Compression Height 1.281
Make AUDI / VOLKSWAGEN
Wrist Pin Style - floating or press fit Floating
Wall Type CHAMFERED
Wall Thickness (IN) 0.210
Ringset Part Number JG1001-3250
Ring Brand ProSeal
Ringset Included Yes
Retainer Thickness 0.050
Retainer Lock Style Wire Lock
Retainer Lock Part Number 787-050-MW
Retainer Diameter (IN) 0.787
Replacement Single Piston 367858S
Piston Pin Inside Diameter 0.367
Piston Pin Material 9310 NICKEL CARBON STEEL ALLOY
Piston Material 2618
Piston Pin Length (IN) 2.250
Pin Offset No
Pin Brand JE Pistons
Pin Part Number 787-2250-21-93C
Pin Included Yes
Pin Diameter (mm) 20.00
Oil Rail Support Included No
Deck Clearance -0.010
Brand JE Pistons
OE Part #'s:
06B-107-065-N / 06B107065 N / 06B 107 065 N / 06B107065N
06B-107-065-F / 06B107065 F / 06B 107 065 F / 06B107065F
6B1-070-65N / 6B1 070 65N / 6B107065N
⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
