Dual High-Rev Valve Springs for VW Type 1, 2, and 3 (Set of 8) Biral Perfect for those who want

Perfect for those who want the ultimate in cooling or strength for High Performance applications This kit does require machine work on the cylinder heads and case

Weight: 488 grams

020 Crank/ Thrust+4mm +9

020 Crank / Thrust +1mm(+$5

Part #VW9600T4S66

Dual High-Rev Valve Springs for VW Type 1, 2, and 3 (Set of 8) Biral Perfect for those who wantBrand new set of 8 Dual High Rev Springs for increased RPM and Performance. Made from special silicone spring steel. Prevent engine damage due to valve float or worn out weak valve springs. They can be used as intake exhaust springsin almost any VW Type 1 head casting. Also Used as custom springs in Type 4 Heads with 8mm Valves ***Machine Work Required for installing the Inner spring.***