CP-Carrillo BCRE1130-030 Bullet Race Elite Forged Piston Set SBC 434 4.155 Bore 23-Degree

The CP-Carrillo BCRE1130-030 is a Bullet Race Elite Series forged piston set designed specifically for Small Block Chevy 434ci engines running all 23° cylinder heads. Built from 2618 aluminum forgings and manufactured proudly in the USA, these pistons deliver the strength and precision demanded by high-performance naturally aspirated race and performance builds.

Key Specifications:

• Bore: 4.155"
• Stroke: 4.000"
• Rod Length: 6.000"
• Compression Height: 1.000"
• Dome/Dish: -20.6cc dish (-0.1195" dome height)
• Compression Ratio: 11:1 (with 58cc combustion chambers)
• Displacement: 434 cubic inches
• Piston Weight: 396 grams (advertised)
• Wrist Pin: 0.927" x 2.500" chromoly
• Ring Package: 1.0mm steel gas nitride top ring, 1.0mm Napier second ring, 2.0mm oil ring
• Valve Reliefs: 2 valve reliefs, .310" deep intake / .250" deep exhaust
• Gas Ports: None
• Head Compatibility: All 23° Small Block Chevy heads

Bullet Race Elite Series Features:

• Forged from 2618 aluminum for superior strength and thermal fatigue resistance
• Dual forced pin oilers for enhanced lubrication
• Contact reduction grooves to minimize friction
• Accumulator groove for improved ring seal
• FEA-designed forging for optimized strength-to-weight ratio
• Tight manufacturing tolerances with rigorous quality control
• ISO 9000 certified manufacturing process

This set includes pistons and rings for an 8-cylinder engine as documented by the manufacturer for this part number. The BCRE1130-030 is the Elite ring-package variant of the Bullet Race Series, featuring a finer 1.0mm ring package compared to the standard BCR1130-030, making it an ideal choice for serious naturally aspirated performance and circle track applications.