Rollmaster Billet Timing Chain Set - (Big Block Ford FE - CS4050-LB5)
BIG BLOCK FORD 390-428 FE applications w/brass thrust bearing
Heat treated top & bottom sprockets - for strength & long life
German "IWIS" double row roller timing chain - pre-stretched for longevity
Nine position keyway crankshaft sprocket - for precise timing events
Camshaft sprocket utilizes brass thrust bearing
** This .005" undersized timing set and is normally special order **