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MADE IN THE USA NEW 20˚ BBC PISTONS READY FOR THE STRIP
NEW 20˚ SERIES BIG BLOCK CHEVY PISTONS FROM JE JE ’ s latest addition to their BBC piston lineup are purpose-built for performance and durability on the drag strip . Designed for use with Dart 20 ° heads and Brodix ® SR20 , JE ’ s 20 ° BBC pistons are engineered , forged , and machined in-house in the USA using 2618-T6 aluminum and are fullyfeatured to withstand the demands of high-horsepower drag racing .
December 2021
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• Contact reduction grooves reduce operating friction and minimize pressure
• Power-adder accumulator groove traps excess gases to help prevent ring flutter
• Ultra-Groove top ring groove with vertical gas ports
• 18cc dome for nitrous and 23cc dome for N / A
• 3D undercrown milling for weight optimization
• Radius dome with fire slot for improved flame travel and combustion efficiency
• Valve pockets designed to accommodate 2.450 ” intake valve
• Designed for robust ring pack with . 043 ” steel top , ductile iron Napier second , and 3mm oil ring
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