Rollmaster Single Roller Timing Chain 60 Link H770003 16" bolt pattern

16" bolt pattern

but these are not OE manufactured bumpers

The advance weights are specially coated to reduce friction and nylon pads are mounted on the advance plate to allow the weights to react quickly to rpm changes

Direct OEM Replacement

Rollmaster Single Roller Timing Chain 60 Link H770003 16" bolt patternIWIS Pro Series Chain, 60 Link Seamless Single Roller Chain Rollmaster and Romac designs and manufactures high strength timing sets and harmonic balancers respectively. By using billet strength steel these products are both stronger and lighter than standard cast iron pieces. Product Description: Timing Chain Single Roller 60 Link Sold Individually