Carrillo BC1027-030 Bullet Series Small Block Chevy Forged Dish Piston Set 4.030 Bore

The CP-Carrillo BC1027-030 is a Bullet Series forged piston set engineered for Small Block Chevrolet applications with all 23° cylinder heads.

Key Specifications:

• Bore: 4.030"
• Dish Volume: -24.6cc
• Compression Height: 1.270"
• Pin Diameter: 0.927" x 2.500"
• Ring Grooves: 1.5mm steel gas-nitride top ring / 1.5mm Napier second ring / 3.0mm oil ring
• Valve Pocket Depth: 0.310" (symmetrical, both intake and exhaust)
• Head CC: 64.0cc
• Weight: 440 grams
• Application: Power Adder (forced induction / nitrous oxide)

Construction & Features:

• Proudly made in the USA from 2618 forged aluminum alloy for exceptional strength and heat resistance
• Symmetrical valve pockets designed to fit all 23° Small Block Chevy cylinder heads
• Gas-nitride coated top ring groove for superior wear resistance under boost or nitrous
• Napier second ring for improved oil control and ring seal
• Includes chromoly wrist pins with wire locks
• Dual forced pin oilers and contact reduction grooves for reduced friction
• Accumulator groove and forged side relief for enhanced ring seal
• 1-gram piston balance for smooth, high-RPM operation

The CP-Carrillo Bullet Series delivers race-proven forged piston technology for high-performance Small Block Chevy builds running power adders. These pistons are made to order and represent CP-Carrillo's commitment to precision engineering, tight tolerances, and rigorous quality control in every set.