Quick view sku: 2852043 Brake Proportioning Valve Clamp Kit. 67-70 A/B and E body front disc cars. Also fits holdoff valve for 66-69 B body models with the bendix disc brakes. Brake Proportioning Valve Clamp Kit. 67-70 A/B and E body front disc cars. Also fits holdoff valve for 66-69 B body models with the bendix disc brakes. Made in USA. Replacement for 2852043. MSRP: Now: $18.95 Add to Cart Compare Selected