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CAMSVALVE TRAINRODSPISTONSSTROKER KITSCRANKSMISC.
EJ255 / EJ257 BLOCK WITH EJ20 HEAD - JE Pistons
JE Pistons are designed specifically for high horsepower racing engines and are the piston of choice for top BC sponsored racers such as Rhys Millen, Andrew Comrie-Picard, Chris Rado, Robbie Nishida and Norris Prayoonto. All JE Pistons include high strength 2618-T6 alloy forgings, JE Pro Seal Rings, premium wrist pins and locks. JE Piston Kits are engineered to handle the stresses associated with all BC stroker kits and arrive ready to install.
  • Specifically designed for high horsepower engines
  • Arrive ready to install
  • 2618 T6 forged aluminum
  • Proprietary skirt designs are compatible with increased side loading associated with high RPM and increased stroke
  • Dome and dishes feature smooth flowing radii for excellent flame travel
  • Valve reliefs designed to clear BC camshafts
  • Premium pins and locks included
  • JE Pro Seal Rings included
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head
CC's
C/R With
.040"
Dome / Vol
(cc)
Gram Footnote Ring Set Shop Status
JE291059 99.50 STD 79.0 130.5 30.7 48 8.5:1 -25.5 411 T JG4904-3917 In-Stock
JE296349 99.75 0.25 79.0 130.5 30.7 48 8.5:1 -26.0 413 T,M JG4904-3927 In-Stock
JE291060 100.00 0.50 79.0 130.5 30.7 48 8.5:1 -26.4 416 T JG4904-3937 In-Stock
JE325249 99.50 STD 79.0 130.5 30.7 48 9.5:1 -16.4 411 T JG4904-3917 In-Stock
JE325250 99.75 0.25 79.0 130.5 30.7 48 9.5:1 -16.7 414 T JG4904-3927 In-Stock
JE325251 100.00 0.50 79.0 130.5 30.7 48 9.5:1 -17.0 416 T JG4904-3937 In-Stock
EJ257 CP Pistons
CP pistons are designed for oversized valves, high lift camshafts and available in a variety of compression ratios and bore sizes. All of our products represent the highest quality and are engineered for maximum power. Pistons come with wrist pins, pin fitted, and locks (except for Subaru).
  • Dedicated forgings
  • Balanced to + or - 1 gram
  • Wrist pins provided at no cost
  • Pin fitting provided at no cost
  • Accumulator Grooves
  • Dual forced pin oilers
  • Pick lock grooves
  • Fully CNC machined
  • USA Made
Part # Bore Oversize Stroke
(in)
Rod
(in)
C/D
(in)
C/R With
.040"
Dome / Vol
(cc)
Gram Footnote Ring Set Shop Status
CP7420 3.9175 (99.5mm) STD 79mm 5.141" 1.208 8.2 -21.0 395.0 1,2,10 RS1658-3917-0 In-Stock
CP7422 3.927 (99.75mm) +0.25mm 79mm 5.141" 1.208 8.2 -21.0 415.0 1,2,10 RS1658-3927-0 In-Stock
CP7421 3.937 (100.0mm) +0.5mm 79mm 5.141" 1.208 8.2 -21.0 420.0 1,2,10 RS1658-3937-0 In-Stock
CP7425 3.9175 (99.5mm) STD 79mm 5.141" 1.208 9.0 -14.2 400.0 1,2,10 RS1658-3917-0 In-Stock
CP7426 3.927 (99.75mm) +0.25mm 79mm 5.141" 1.208 9.0 -14.5 420.0 1,2,10 RS1658-3927-0 In-Stock
CP7427 3.937 (100.0mm) +0.5mm 79mm 5.141" 1.208 9.0 -14.9 425.0 1,2,10 RS1658-3937-0 In-Stock
CP7423 3.957 (100.5mm) +1.0mm 79 130.5 1.208 8.2 In-Stock
CP7428 3.957 (100.5mm) +1.0mm 79 130.5 1.208 9.0 In-Stock
CP7415 3.9175 (99.5mm) STD 79 130.5 1.208 10.0 In-Stock
CP7416 3.927 (99.75mm) +0.25mm 79 130.5 1.208 10.0 In-Stock
CP7417 3.937 (100.0mm) +0.5mm 79 130.5 1.208 10.0 In-Stock
CP7410 3.937 (100.0mm) +0.5mm 79 131.25 1.193 8.5 In-Stock
CP7418 3.957 (100.5mm) +1.0mm 79 130.5 1.208 10.0 In-Stock
EJ257 STROKER CP Pistons
CP pistons are designed for oversized valves, high lift camshafts and available in a variety of compression ratios and bore sizes. All of our products represent the highest quality and are engineered for maximum power. Pistons come with wrist pins, pin fitted, and locks (except for Subaru).
  • Dedicated forgings
  • Balanced to + or - 1 gram
  • Wrist pins provided at no cost
  • Pin fitting provided at no cost
  • Accumulator Grooves
  • Dual forced pin oilers
  • Pick lock grooves
  • Fully CNC machined
  • USA Made
Part # Bore Oversize Stroke
(in)
Rod
(in)
C/D
(in)
C/R With
.040"
Dome / Vol
(cc)
Gram Footnote Ring Set Shop Status
CP7433 3.9175 (99.5mm) STD 83 130.5 1.123 8.5 In-Stock
CP7434 3.927 (99.75mm) +0.25mm 83 130.5 1.123 8.5 In-Stock
CP7435 3.937 (100.0mm) +0.5mm 83 130.5 1.123 8.5 In-Stock
CP7436 3.957 (100.5mm) +1.0mm 83 130.5 1.123 8.5 In-Stock
CP7437 3.9175 (99.5mm) STD 83 130.5 1.123 9.0 In-Stock
CP7438 3.927 (99.75mm) +0.25mm 83 130.5 1.123 9.0 In-Stock
CP7439 3.937 (100.0mm) +0.5mm 83 130.5 1.123 9.0 In-Stock
CP7440 3.957 (100.5mm) +1.0mm 83 130.5 1.123 9.0 In-Stock
CP7441 3.9175 (99.5mm) STD 83 130.5 1.123 10.0 In-Stock
CP7442 3.927 (99.75mm) +0.25mm 83 130.5 1.123 10.0 In-Stock
CP7443 3.937 (100.0mm) +0.5mm 83 130.5 1.123 10.0 In-Stock
CP7444 3.957 (100.5mm) +1.0mm 83 130.5 1.123 10.0 In-Stock
EJ257 BILLET FSR - JE Pistons
JE Pistons are designed specifically for high horsepower racing engines and are the piston of choice for top BC sponsored racers such as Rhys Millen, Andrew Comrie-Picard, Chris Rado, Robbie Nishida and Norris Prayoonto. All JE Pistons include high strength 2618-T6 alloy forgings, JE Pro Seal Rings, premium wrist pins and locks. JE Piston Kits are engineered to handle the stresses associated with all BC stroker kits and arrive ready to install.
  • Specifically designed for high horsepower engines
  • Arrive ready to install
  • 2618 T6 forged aluminum
  • Proprietary skirt designs are compatible with increased side loading associated with high RPM and increased stroke
  • Dome and dishes feature smooth flowing radii for excellent flame travel
  • Valve reliefs designed to clear BC camshafts
  • Premium pins and locks included
  • JE Pro Seal Rings included
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head
CC's
C/R With
.040"
Dome / Vol
(cc)
Gram Footnote Ring Set Shop Status
JE310927 99.50 STD 79.0 130.5 30.7 57 8.8:1 -14.1 392 T,M JG4904-3917 In-Stock
JE286463 100.00 0.50 79.0 130.5 30.7 57 8.8:1 -15.1 392 T, M JG4904-3937 In-Stock
EJ255 / EJ257 - JE Pistons
JE Pistons are designed specifically for high horsepower racing engines and are the piston of choice for top BC sponsored racers such as Rhys Millen, Andrew Comrie-Picard, Chris Rado, Robbie Nishida and Norris Prayoonto. All JE Pistons include high strength 2618-T6 alloy forgings, JE Pro Seal Rings, premium wrist pins and locks. JE Piston Kits are engineered to handle the stresses associated with all BC stroker kits and arrive ready to install.
  • Specifically designed for high horsepower engines
  • Arrive ready to install
  • 2618 T6 forged aluminum
  • Proprietary skirt designs are compatible with increased side loading associated with high RPM and increased stroke
  • Dome and dishes feature smooth flowing radii for excellent flame travel
  • Valve reliefs designed to clear BC camshafts
  • Premium pins and locks included
  • JE Pro Seal Rings included
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head
CC's
C/R With
.040"
Dome / Vol
(cc)
Gram Footnote Ring Set Shop Status
JE291061 99.50 STD 79.0 130.5 30.7 57 8.5:1 -16.5 407 T JG4904-3917 In-Stock
JE296348 99.75 0.25 79.0 130.5 30.7 57 8.5:1 -16.9 410 T JG4904-3927 In-Stock
JE291062 100.00 0.50 79.0 130.5 30.7 57 8.5:1 -17.3 413 T JG4904-3937 In-Stock
JE291063 99.50 STD 83.0 130.5 28.7 57 8.5:1 -20.7 398 T JG4904-3917 In-Stock
JE296352 99.75 0.25 83.0 130.5 28.7 57 8.5:1 -21.1 401 T,M JG4904-3927 In-Stock
JE291064 100.00 0.50 83.0 130.5 28.7 57 8.5:1 -21.5 404 T JG4904-3937 In-Stock
JE310936 99.50 STD 79.0 130.5 30.7 57 9.5:1 -7.0 423 T, M JG4904-3917 In-Stock
JE310937 99.75 0.25 79.0 130.5 30.7 57 9.5:1 -7.3 425 T, M JG4904-3927 In-Stock
JE310938 100.00 0.50 79.0 130.5 30.7 57 9.5:1 -7.6 427 T, M JG4904-3937 In-Stock
619.749.9018 ph
619.749.9128 fx
Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved..
WARNING: This product can expose you to chemicals, including Chromium (hexavalent compounds), lead and lead compounds, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov