Carrillo BLS1201-005 CP Bullet LS7 4.130 Bore 4.125 Stroke +5cc Dome Piston Kit

The CP-Carrillo Bullet Series BLS1201-005 is a complete forged piston and ring kit designed specifically for LS7 engines with 12-degree valve angle cylinder heads. This high-performance piston set features a 4.130-inch bore, 4.125-inch stroke configuration with a +5cc dome design, making it ideal for high-compression forced induction and naturally aspirated builds.

Key Specifications:

• Bore: 4.130 inches
• Stroke: 4.125 inches
• Rod Length: 6.125 inches
• Compression Height: 1.055 inches
• Crown Volume: +5cc dome
• Compression Ratio (with 66.5cc heads): 13.3:1
• Wrist Pin: 0.927-inch diameter x 2.250-inch length (included)
• Pin Wall Thickness: 0.180-inch standard
• Piston Weight: 456 grams each
• Material: 2618-T61 forged aluminum alloy

Premium Features:

• Proudly made in the USA from 2618 forgings for superior strength and durability
• Engineered for forced induction applications including nitrous oxide, superchargers, and turbochargers
• Special skirt design minimizes piston noise and reduces friction
• Complete ring set included: 1.5mm steel gas nitride top ring, 1.5mm Napier second ring, and 3.0mm oil ring
• Designed specifically for LS7 12-degree valve angle cylinder heads
• Wrist pins with 0.180-inch wall thickness included

This complete piston kit provides everything needed for a professional engine build, combining CP-Carrillo's legendary quality with the performance demands of high-horsepower LS7 engines. The 2618 alloy construction offers excellent thermal expansion properties and strength characteristics ideal for extreme performance applications.