Carrillo BC1020-035 Bullet Series Forged Piston Set 4.035 Bore SBC 23-Degree

The CP-Carrillo BC1020-035 is part of the Bullet Series forged piston lineup, engineered specifically for Small Block Chevrolet engines equipped with 23-degree cylinder heads. This set delivers the precision tolerances and material quality that high-performance and race engine builders demand.

Key Features:

• Bore: 4.035 in. (035 over)
• Stroke: 3.500 in.
• Rod Length: 6.000 in.
• Compression Height: 1.250 in.
• Piston Head Volume: -6.8cc Flat Top with two symmetrical valve reliefs
• Compression Ratio: 9.8:1
• Wrist Pin: .927 x 2.500 in. with .150 wall standard
• Ring Package: 1.5 mm steel gas nitride top ring, 1.5 mm Napier second ring, 3.0 mm oil ring
• Intake Pocket Depth: .310 in. (both sides)
• Piston Weight: 358 grams
• Material: USA-made 2618 forged aluminum
• Application: Normally Aspirated (Note 2)

Built from 2618 forged aluminum and manufactured in the USA, the Bullet Series offers an ideal balance of strength, weight, and thermal stability for naturally aspirated Small Block Chevy builds. The flat-top design with symmetrical valve pockets and deep .310 intake pockets ensures compatibility across all current 23-degree head configurations.