Carrillo BLS1116-005 Bullet LS Piston Set 4.005" Bore 3.622" Stroke

The CP-Carrillo BLS1116-005 Bullet Series piston set is engineered specifically for GM LS engines with 15° cylinder heads, including 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L applications. These high-performance pistons deliver exceptional value without compromising the quality and engineering excellence that has made CP-Carrillo an industry leader.

Specifications:

• Bore: 4.005 inches
• Stroke: 3.622 inches
• Rod Length: 6.125 inches
• Compression Height: 1.300 inches
• Dome Volume: +0.015cc (virtually flat top)
• Compression Ratio: 9.5:1 with 70cc heads / 10.1:1 with 64cc heads
• Wrist Pin: .927" diameter x 2.250" length chromoly with wire locks
• Advertised Weight: 461 grams per piston

Construction and Features:

• Forged from 2618 aluminum alloy for superior strength and durability
• Suitable for naturally aspirated, nitrous oxide, supercharged, or turbocharged applications
• 1.5mm steel gas nitride top ring for enhanced wear resistance
• 1.5mm Napier-style second ring
• 3.0mm oil ring
• Complete ring set included
• Dual forced pin oilers for improved lubrication
• Contact reduction grooves to minimize friction
• Accumulator groove design
• Forged side relief for valve clearance
• Balanced to within 1 gram
• .180 wall chromoly wrist pins standard (.230 wall upgrade available for 700+ HP applications)

Proudly manufactured in the USA, these Bullet Series pistons incorporate computer-designed forgings, tight manufacturing tolerances, and rigorous quality control testing. The special skirt design reduces piston noise while maintaining structural integrity for demanding performance applications.