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LS SERIES 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
350 Series
Std Bore: 3.900"-5.7L, 4.000"-6.0L
Ring package designed for: 1.5, 1.5, 3MM Rings

Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
64cc 66cc 72cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
Shop Status
243016 403 4.005 4.000 6.125 9.240 1.115 11.6 11.3 10.6 -5.0 402 B, C 0.005 J60008-4000-5 In-Stock
243017 408 4.030 4.000 6.125 9.240 1.115 11.7 11.4 10.7 -5.0 410 B, C 0.030 J60008-4030-5 In-Stock
243018 427 4.125 4.000 6.125 9.240 1.115 12.1 11.9 11.1 -5.0 440 B, C STD LS7 J60008-4125-5 In-Stock

350 Series
Std Bore: 3.900"-5.7L, 4.000"-6.0L
Ring package designed for: 1.5, 1.5, 3MM Rings

Part # CID Bore Stroke Rod
Lgth.
Block
Ht.
Comp.
Ht.
Head Cubic Centimeters
64cc 66cc 72cc
Compression Ratio
Dome
Vol.
Gram
Wt.
Footnote Oversize Recom.
Ring Set
Shop Status
264041 383 3.905 4.000 6.125 9.240 1.115 10.5 10.3 9.7 -10.0 382 B, C 0.005 J68008-3900-3 In-Stock
264042 403 4.005 4.000 6.125 9.240 1.115 11.0 10.7 10.1 -10.0 407 B, C 0.030 J60008-4000-5 In-Stock
221176 408 4.030 4.000 6.125 9.240 1.115 9.2 9.0 8.6 -29.0 395 B, C 0.030 J60008-4030-5 In-Stock
264043 408 4.030 4.000 6.125 9.240 1.115 11.1 10.8 10.2 -10.0 418 B, C 0.030 J60008-4030-5 In-Stock
221178 414 4.060 4.000 6.125 9.240 1.115 9.3 9.1 8.7 -29.0 400 B, C 0.060 J60008-4060-5 In-Stock
290665 415 4.065 4.000 6.125 9.240 1.115 9.3 9.1 8.8 -29.0 403 B, C STD LS3 JG31F8-4070-0 In-Stock
290666 416 4.070 4.000 6.125 9.240 1.115 9.3 9.1 8.8 -29.0 405 B, C .005 LS3 JG31F8-4070-0 In-Stock
221180 427 4.125 4.000 6.125 9.240 1.115 9.5 9.3 8.9 -29.0 425 B, C STD LS7 J60008-4125-5 In-Stock
LS SERIES CP BULLET 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 Head
Type
Stroke
(in)
Rod
(in)
C/D
(in)
Flat
Top
Dome / Vol
(cc)
C/R
(cc)
Pin
Dia
VR Depths Ring
Grooves
Shop Status
CP7450B 3.905" LS1 4.000" 6.125" 1.110" No -18.2 9.1 w/ 68cc head -18.2cc .927" I .150" / E .100" 1.5 x 1.5 x 3.0mm In-Stock
CP7451B 4.005" LS2 4.000" 6.125" 1.110" No -27.8 9.1 w/ 63cc head -27.8cc .927" I .190" / E .150" 1.5 x 1.5 x 3.0mm In-Stock
CP7452B 4.005" LS2 4.000" 6.125" 1.110" No -12.7 10.3 w/ 64cc head -12.7cc .927" I .150" / E .100" 1.5 x 1.5 x 3.0mm In-Stock
CP7453B 4.030" LS2 4.000" 6.125" 1.110" No -27.5 9.1 w/ 64cc head -27.5cc .927" I .192" / E .165" 1.5 x 1.5 x 3.0mm In-Stock
CP7454B 4.030" LS2 4.000" 6.125" 1.110" No -13.8 10.3 w/ 64cc head -13.4cc .927" I .150" / E .095" 1.5 x 1.5 x 3.0mm In-Stock
CP7455B 4.125" LS2 4.000" 6.125" 1.110" No -17.4 10.3 w/ 64cc head -17.4cc .927" I .150" / E .100" 1.5 x 1.5 x 3.0mm In-Stock
CP7456B 3.905" LS1 4.000" 6.125" 1.105" Yes -1.3 11.1 w/ 65 cc head -2.7cc FT .927" I .150" / E .100" 1.5 x 1.5 x 3.0mm In-Stock
CP7457B 4.005" LS2 4.000" 6.125" 1.105" Yes -1.3 11.5 w/ 65cc head -2.7cc FT .927" I .192" / E .165" 1.5 x 1.5 x 3.0mm In-Stock
CP7458B 4.030" LS2 4.000" 6.125" 1.105" Yes -1.3 11.7w/ 65cc head -2.7cc FT .927" I .150" / E .095" 1.5 x 1.5 x 3.0mm In-Stock
CP7459B 4.125" LS2 4.000" 6.125" 1.115" Yes -1.3 11.3w/ 70cc head -3.8cc FT .927" I .150" / E .095" 1.5 x 1.5 x 3.0mm In-Stock
Note: DECK clearance may very slightly. These all use .051 head gaskets.
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.   Follow runBC on Twitter