Magnum Double Row Timing Set for '55-'81 Pontiac 326-455 Chest Rig The UMI Roto-Joint is suitable

The UMI Roto-Joint is suitable for both street and high-performance applications

Nitrophyl Float (Road Race) - molded wedge on both sides to control fuel when turing right and left

A major revision to our Simpson Diamondback for 2021 combines a new Italian composite shell with a shorter chinbar and changes to the visor mounting for improved fit and function while also providing enhanced impact protection

while the 4140 Chrome Moly threaded tube adaptors and heat treated adjuster offer added durability

A: This kit is 100% bolt in and requires no drilling

Magnum Double Row Timing Set for '55-'81 Pontiac 326-455 Chest Rig The UMI Roto-Joint is suitableheat treated double row chain for mild street performance '55 '81 Pontiac 326 455.