Timing Kit, True Roller High Performance Dual Row.
- Specially Heat Treated Cam Sprocket
- Heat Treated Steel Crank Sprocket, 9 Keyway.
- Timing Marks, Numbers And Letters Highlited In White.
- Super Duty Independent Roller Chains With Seamless Extruded Rollers.

No Separate Spacer Required Between Cam And Sprocket
Small Block Using One-Piece Eccentric or Electric Fuel Pump.
221/255/260
289 STD
302 STD/302 BOSS/302 H.O.