Carrillo BLS1142-065-4 Bullet Series LS Forged Piston Set 4.065" Bore Flat Top

The CP-Carrillo BLS1142-065-4 is a Bullet Series forged piston set for GM LS-platform engines, featuring a 4.065" bore, 4.000" stroke, 6.125" rod length, and a 2.7cc flat top design.

Key Features:

• Bore: 4.065"
• Stroke: 4.000"
• Rod Length: 6.125"
• Compression Height: 1.110"
• Dome Volume: -2.7cc Flat Top
• Set Quantity: 4 pistons
• Manufactured from 2618 forged aluminum alloy for superior strength and durability
• Balanced to ±1 gram for smooth, high-RPM operation
• Dual forced pin oilers for improved lubrication
• Contact reduction grooves and accumulator groove
• Forged side relief for enhanced clearance
• Chromoly wrist pins with wire locks included
• FEA (Finite Element Analysis) designed forging
• Compatible with GM LS 15° cylinder heads (4.8, 5.3, 5.7, 6.0, 6.2L applications)
• Suitable for naturally aspirated, nitrous oxide, supercharged, and turbocharged applications
• Proudly Made in the USA

Included is a contemporary high-performance ring set: 1.5mm steel gas nitrided top ring, 1.5mm Napier second ring, and a 3.0mm three-piece oil ring — specially designed for severe-duty applications. The CP-Carrillo Bullet Series offers professional-grade internal engine components without compromise.