- Heavy duty gasket for liftime positive sealing
- Tapped exhaust ports for mufflers or port protector breather vents
- Stainless steel starter spring for instant, any position start at low PSI
- Rugged ductile iron body for improved strength to weight ratio
- Accurately ground and polished alloy steel piston for smooth operation
- Cast eye hook for secure safety cable attachment
- Unpainted, precision-machined, wide base for a flat mount and maximum vibration transfer