TB PARTS 52.4MM RACE PISTON KIT

Description

Stock Bore High compression piston kit w/ 14mm wrist pin
Application:

• SDG 125
• RCM 125
• Sikk MX 120
• Lifan 120 
• Zongshen 120

Key Features:

• Piston kit feature valve reliefs for Lifan/YX  Big Valve Heads 
• Piston kit will also work with high lift/duration race cams
• Compression ratio of 12.5:1
• 10% gain in power by installing it in place of your low 9:1 stock compression ratio

This is a drop in replacement piston, no boring required