Carrillo M4028 High-Performance Piston Kit 90mm Bore 12.5:1 Compression

The Carrillo M4028 is a high-performance piston kit engineered for Suzuki LTZ 400, DRZ 400, KFX 400, and DVX 400 powersports applications. This complete kit features a 90mm standard bore diameter and delivers a 12.5:1 compression ratio for enhanced engine performance and power output.

Key Features:

• 90mm bore diameter with 12.5:1 compression ratio for improved power
• Complete kit includes piston, rings, circlips, and wrist pin
• Features CP-Carrillo's advanced Project X Pro technology for increased durability
• Specialized pin bore machining reduces stress and allows pin flex
• Forged from high-strength 2618-T6 aluminum alloy for maximum durability
• Designed and manufactured in the USA

CP-Carrillo pistons utilize advanced manufacturing processes developed for high-end OEM and professional racing applications. The Project X Pro design incorporates specialized pin bore machining that reduces stress concentrations in this critical high-stress area, significantly extending service life under demanding operating conditions. This technology has been proven in championship-winning motorsports applications and is now available for powersports enthusiasts seeking maximum performance and reliability.