These require special mini top lock valve locks that only work with 6mm and 7mm stem size valves. 1.315" O.D. Dual Springs. The largest single source of waste paper collected for recycling is corrugated boxes.
16 PSI Endurance Polished Maxi Life 1.310" Valve Springs Manley PAC Comp
16 PSI POLISHED 1.460" O.D. Valve Springs & 16 Manley ICD Titanium Retainers
16 PSI Polished Roller Cam Valve Springs #506@ 1.220" with 300M Steel Retainers
16 PSI 1.310" Polished Valve Springs ECR-12B& 300M Steel MINI Top Lock Retainers
16 PSI JH-3C Polished 1.300" Valve Springs & Mini TopLock Titanium Retainers
16 PSI Polished Maxi Life 1.310" O.D. Valve Springs & Xceldyne 300M Retainers
