Four pound valves can be beneficial in high vibration brake systems such as off-road or dirt circle track racing
This modification is done by adding threaded hose barbs to both intakes
Mahle 311-198-069F
Empi 930 CV Joint Boot Only 108mm for Flanged Mount - Each - 86-9301
Empi Ivory Window Handle Escutcheon for 56-67 VW Type 1 - Pair - 98-2041
Muffler Installation Kit for 1954-73 VW Beetle 98-2989-B 111298009A fuel sender Four pound valves can beMuffler installation kit for VW Type 1. Includes 2 heat exchanger clamps, 2 exhaust gaskets, 2 heat riser gaskets, and hardware to mount a muffler to your 1953 73 Beetle, Karmann Ghia, Type 3, VW Thing, or upright engine Bus. Alternate part numbers 111298009A, 111 298 009A, 111298009F, 111 298 009F, 982989B, 98 2989 B. DBW 111298009A