Carrillo BCRS1021-030 Bullet Circle Race Series Forged Piston Set 4.030" Bore SBC

The Carrillo BCRS1021-030 is a forged piston set from CP-Carrillo's Bullet Circle Race Series, engineered for Small Block Chevrolet circle track applications. Built to withstand the rigors of competitive racing, these pistons deliver precision-machined performance at a bore size of 4.030 inches (0.030" oversize).

Key Features:

• Forged 2618 aluminum alloy construction for superior strength and thermal durability
• 4.030" bore diameter (standard +0.030" oversize)
• 3.480" stroke compatibility
• 5.700" rod length fitment
• 1.560" compression height
• Flat top dome with -4.95cc valve relief for approximately 10.2:1 compression ratio with a 64cc head
• 1.0mm steel top ring / 1.0mm Napier second ring / 2.0mm oil ring package included
• 0.927" x 2.250" wrist pins with 0.150" wall included
• .280" deep intake valve pockets for clearance with performance cylinder heads
• Proudly made in the USA
• Rated for normally aspirated applications

CP-Carrillo's Bullet Circle Race Series pistons are purpose-built for sanctioned circle track racing, combining race-proven forging technology with tight tolerances and rigorous quality control. Each set includes matching wrist pins and a contemporary ring package, delivering a complete bottom-end solution ready for the track.