Carrillo BCRE1521-STD Bullet Race Elite Small Block Chevy ASCS Sprint Car Forged Piston Set

The Carrillo BCRE1521-STD is a Bullet Race Elite series forged piston set designed specifically for ASCS Sprint Car competition in Small Block Chevy applications. Manufactured in the USA from high-strength 2618 alloy hollow dome forgings, these pistons deliver the durability and precision required for the extreme demands of open-wheel sprint car racing.

Each piston features a tall 11.2cc dome achieving a 14.4:1 compression ratio, vertical gas ports, and a .310" deep intake valve pocket for maximum flow clearance. The ring package uses a proven .043" x .043" x 3.0mm configuration to ensure a consistent, high-integrity ring seal under race conditions.

Key Specifications:

• Bore: 4.125" (STD)
• Stroke: 3.875"
• Rod Length: 6.000"
• Compression Height: 1.062"
• Dome Volume: 11.2cc Tall Dome
• Compression Ratio: 14.4:1
• Wrist Pin: .927" x 2.250" (.180 wall, included)
• Ring Pack: .043" x .043" x 3.0mm
• Intake Valve Pocket Depth: .310" (Int/SP)
• Piston Weight: 414 grams each
• Aspiration: Normally Aspirated

Note: Will also fit an RHS head with the S/P slot widened .100" toward the exhaust side. AFR heads are not compatible.