JE Pistons Piston Set, 4032, Flat Top, 4.020 Bore, 1.300 CD, 0.927 Pin, Set of 8. 329558

SRP Professional pistons combine forged piston durability with modern performance technology for an extremely capable forged piston kit that doesn?t break the bank. Forged from 4032 aluminum, SPR Pro pistons experience minimal thermal expansion, making them perfect for a high-performance, reliable engine build from the track to the drag strip. All SRP Pro pistons include premium ring sets, wrist pins and locks. As with all JE Pistons products, SRP pistons are made 100% in the USA.

• Forged in the USA using 4032 aluminum, yielding tensile strength and minimal thermal expansion
• Proprietary Forged Side Relief (FSR) forging design minimizes friction and power loss with reduced skirt width and saves additional weight with a shorter wrist pin
• Low-friction skirt coating reduces wear and reduces operating noise while optimizing performance
• Includes high-quality wrist pins, locks, and JE Pro Seal premium piston rings
• Accumulator groove helps reduce pressure from combustion gases, reducing ring fluttering and improving ring seal for consistent power
• Made 100% in the USA