These springs from PAC Racing are drop in and are a massive upgrade over the stock springs found in Yanmar heads. Same coil bind height as the stock springs and these are just over 200lbs at max lift.
Stock retainers are a snug fit but work well.
These springs from PAC Racing are drop in and are a massive upgrade over the stock springs found in Yanmar heads. Same coil bind height as the stock springs and these are just over 200lbs at max lift.
Stock retainers are a snug fit but work well.