Super Street Pro:Kit:1961-79 GM 11" x 1-1/8x26 Adapters - ORB Brake proportioning valves are manufactured

Brake proportioning valves are manufactured from billet aluminum and anodized

This product is very popular in kart racing for its low friction

They are racer rebuildable and revalveable for unparalleled repeatability

This setup allows the suspension to articulate correctly while the polyurethane end bolts to the chassis

and minimizing understeer

Super Street Pro:Kit:1961-79 GM 11" x 1-1/8x26 Adapters - ORB Brake proportioning valves are manufacturedThe Super Street Pro clutch kit is ideal for both the street and the track. We recommend it for cars up to 550 Hp (depending on part number) with moderate engine mods and street tires. The kit is SFI approved. Included is a high clamp load pressure plate, a dual faced organic and metallic disc for smooth engagement and awesome holding power. Our kits are complete with Pressure Plate, Disc, throw out bearing (where applicable) pilot bushing (where