Big Block Chevy S.A. Gear True Roller Timing Chain #78110
New big block Chevy S.A. Gear high performance timing chain.
Features big .250" dia. seamless double row true roller chain and 3 keyway crank sprocket,
*+4, 0, -4 degree cam adjustment*
Cast iron cam sprocket, heat treated hardened steel crank sprocket,
and pre-stretched chain.
Fits- '65-'97 Mark IV and Gen 5 big blocks - 396, 400, 402, 427, and 454
*Except those with factory roller cam*