Gaskets will not become brittle or burn out

3-hole oil design

FLS/S Slim

they are a large-surface-area

No computer required

Sprocket Shaft Jim`s Shovel 1972-81 Belt Drive Kits Gaskets will not become brittleFits with OEM flywheels. Sprocket shaft does not have a keyway. Taper is 8 1 2. Biggest part of taper is approx. 1. 400". Shaft is 4. 262" long from bearing shoulder to end of smalll thread. Use 24017 80 JIMS nut (MCS 978257) on flywheel side and use 24003 55 nut (MCS 518000) on sprocket side. Note: Use MCS 502616 JIMS shaft for all 70 99 aftermarket flywheels that have a keyway and 6 taper. JIMS shafts are precision machined in Camarillo, California