Carrillo BLS1202-010 Bullet Series LS7 Forged Piston Kit 4.135 Bore

The CP-Carrillo Bullet BLS1202-010 pistons are specifically engineered for Chevy LS7 engines with 12-degree valve angle heads. Made in the USA from premium 2618 aluminum forgings, these pistons are designed to handle the demands of power adder applications including nitrous oxide, superchargers, and turbochargers.

Key Specifications:

• Bore: 4.135 inches
• Stroke: 4.000 inches
• Rod Length: 6.077 inches (stock LS7 rod compatible)
• Compression Height: 1.163 inches
• Crown Volume: -4.6cc flat top design
• Compression Ratio: 11.3:1 (with 70cc chamber)
• Piston Weight: 457 grams

Features:

• Special skirt design for reduced piston noise and improved durability
• High-performance ring package: 1.5mm steel gas nitride top ring, 1.5mm Napier second ring, 3.0mm oil ring
• Includes 0.927-inch diameter x 2.250-inch length wrist pins with 0.180-inch wall thickness
• Complete kit includes pistons, rings, pins, and locks
• Two valve relief pockets machined for proper valve clearance

This complete piston and ring kit provides a reliable, high-performance solution for LS7 engine builds, whether naturally aspirated or forced induction. The 2618 alloy construction offers excellent strength and thermal resistance for demanding applications.