Carrillo BLS1200-010 Bullet Series Forged Piston Ring Kit Bore - 4.135 LS7

The CP-Carrillo Bullet Series BLS1200-010 forged piston and ring kit is specifically engineered for LS7 engines with 12-degree valve angle cylinder heads. Manufactured from premium 2618 forged aluminum alloy, these pistons deliver exceptional strength and durability for high-performance applications including naturally aspirated, nitrous oxide, supercharged, and turbocharged builds.

Key Specifications:

• Bore: 4.135 inches
• Stroke: 4.000 inches
• Compression Height: 1.120 inches
• Rod Length: 6.125 inches
• Dome Volume: +5cc
• Compression Ratio: 12.9:1 (with 67.5cc head)
• Piston Weight: 490 grams
• Wrist Pin: 0.927" x 2.250" (included)
• Ring Set: 1.5mm steel gas nitride top ring, 1.5mm Napier second ring, 3.0mm oil ring (included)

Features:

• Special skirt design for reduced piston noise and improved stability
• Computer-designed forgings with tight tolerances for reliable performance
• Complete kit includes pistons, rings, and wrist pins
• Proudly made in the USA
• Suitable for forced induction and nitrous applications

This complete piston and ring kit represents CP-Carrillo's commitment to delivering high-quality engine components at a competitive price point, incorporating extensive research and rigorous quality control standards that have made them an industry leader in performance pistons.