The M113 dual valve springs set consists of :
The valve springs eliminates any possibility of valve floating.
Retainers are made from lightweight tool steel that is hardened and surpasses OEM retainers durability while being from lighter material. The M112 / M113 dual valve springs set also allows an significant increase in RPMs safely !
installed height pressure – 47KG (+40% over oem springs )
10 mm lift pressure – 103 KG (+35% over oem springs )
Max lift – 13 mm
Exhaust Springs
installed height pressure – 62KG (+65% over oem springs )
10 mm lift pressure – 119 KG (+50% over oem springs )
Max lift – 12 mm
Price for the other engines that they fit :
M112 - 410 usd