Carrillo BC1102-040 Bullet Series Forged Piston Kit Small Block Chevy 379 4.165 Bore

The CP-Carrillo BC1102-040 Bullet Series forged piston and ring kit is engineered for small block Chevy 379 cubic inch performance builds, delivering professional-grade quality at an accessible price point. This complete 8-piston kit is designed specifically for 23-degree cylinder heads and features precision-machined components manufactured from 2618 aluminum forgings for exceptional strength and durability.

Key Specifications:

• Bore: 4.165 inches
• Stroke: 3.480 inches
• Connecting Rod Length: 6.000 inches
• Compression Height: 1.250 inches
• Flat Top Design: -6.9cc volume
• Compression Ratio: 10.7:1 (with 64cc heads)
• Advertised Weight: 439 grams per piston
• Wrist Pin: .927 x 2.500 inches chromoly with wire locks (included)

Premium Features:

• Made in the USA from 2618 forged aluminum alloy
• Symmetrical valve pockets with .310 inch deep intake reliefs
• Premium ring package: 1.5mm steel gas nitride top ring, 1.5mm Napier second ring, 3.0mm oil ring
• Pistons balanced to ±1 gram for smooth operation
• Dual forced pin oilers and contact reduction grooves
• FEA-designed forging with tight tolerances
• ISO 9000 certified manufacturing
• Designed for naturally aspirated applications

This complete kit includes 8 pistons, rings, chromoly wrist pins, and wire locks. The Bullet Series incorporates the same advanced engineering and manufacturing processes that have made CP-Carrillo an industry leader in high-performance engine components, making it ideal for street performance, bracket racing, and engine rebuilds demanding reliability and power.