"SP" Series Dual Valve Springs with Damper (16) 1.530" OD ISK8205-SP Product:150LBS @ 1.900" Seat Pressure, 440LBS @ 1.300" Open Pressure, 1.150" 4L L4 F/I - Alla

4L L4 F/I - Alla

6L V8 F/I - All 1981 PORSCHE 928 4

and non beadlock options available

200-08-6MBLK

600 Series Inline Petrol/Methanol Filter-10 AN Male

"SP" Series Dual Valve Springs with Damper (16) 1.530" OD ISK8205-SP Product:150LBS @ 1.900" Seat Pressure, 440LBS @ 1.300" Open Pressure, 1.150" 4L L4 F/I - Alla"SP" Series Dual Valve Springs with Damper (16) 1. 530" OD150LBS @ 1. 900" Seat Pressure, 440LBS @ 1. 300" Open Pressure, 1. 150" Coil Bind ISK8205 SP K8205 SP The "SP" series utilises "Hi Tensile" Chrome Silicon outer material. For applications with radical cams and or moderately high rpm, where traditional chrome silicon springs prove inadequate, the "SP" series is the next highest level of endurance. All "SP" series springs are Spintron Test Proven