Carrillo BLS1010-010 Bullet Forged Piston Set LS1/LS2 4.010" Bore Flat Top

The Carrillo BLS1010-010 Bullet forged piston set is engineered specifically for LS1 and LS2 engines, featuring a 4.010-inch bore and designed for use with a 4.000-inch stroke. These high-performance pistons are proudly manufactured in the USA from 2618 aluminum forgings, providing exceptional strength and durability for demanding applications.

Key Specifications:

• Bore: 4.010 inches
• Stroke: 4.000 inches (designed for)
• Compression Height: 1.110 inches
• Rod Length: 6.125 inches
• Crown Volume: -2.7cc flat top design
• Compression Ratio: Approximately 11.5:1
• Piston Weight: 402 grams
• Wrist Pin: 0.927" x 2.250" (included)
• Ring Set: 1.5mm x 1.5mm x 3.0mm steel top and Napier second ring (included)
• Valve Pockets: -0.175" / Standard Profile

Features and Benefits:

• Flat top design optimizes compression ratio for naturally aspirated builds
• 2618 aluminum forging provides superior strength for high-performance applications
• Complete set includes wrist pins and premium ring set
• Precision machined valve pockets for proper clearance
• Ideal for performance street builds and naturally aspirated racing applications

The CP-Carrillo Bullet series delivers race-proven engineering and manufacturing quality at a competitive price point, making it an excellent choice for engine builders seeking reliable performance and durability.