CP-Carrillo BBF6205-030B Bullet Race Series Big Block Ford 460 Forged Pistons - 4.390" Bore

With a 4.390-inch bore (+0.030" over standard), these pistons are purpose-built for serious performance applications and made to CP-Carrillo's exacting race-proven standards.

Key Features:

• 2618 forged aluminum construction — premium alloy chosen for strength and thermal durability in high-performance and forced-induction environments
• 4.390" bore diameter — 0.030" oversize, designed for Big Block Ford 460 iron cylinder heads
• Compression height: 1.450" — engineered for 521 ci stroker combinations with 4.300" stroke and 6.700" rod
• Available configurations: -6cc flat top (approx. 12.1:1 compression with 75cc head) or -38cc dish
• Intake pockets: 0.300" deep; exhaust pockets: 0.075" deep
• Ring package included: 1/16" ductile moly top ring, 1/16" second ring, 3/16" oil rings
• Wrist pins included: 0.990" x 2.930" with 0.180" wall, chromoly construction
• Pistons balanced to ±1 gram for precise rotating assembly balance
• Dual forced pin oilers, contact reduction grooves, and accumulator groove
• FEA-designed forging with tight tolerances and forged side relief
• Manufactured in the USA and ISO 9000 certified