The ultimate distributor/oil pump drive gear for the Chevy V-8. This gear is far superior bronze or melonized distributor gears when using solid or hydraulic roller cams. Do Not confuse these with melonized gears. Melonizing is a surface treatment that will wear off quickly. There is no comparison.These gears have proven themselves in both race and street engines with excellent results. Never worry about metal shavings in your oil again

If BOP does not make a lip seal for your Olds engine or if your seal groove is not concentric the next best thing is the Best Gasket Graphtite™ rope seals. These rope seals are far superior to all other rope seals on the market.

BG6100 Rear Main Seal (rope) 6 Cyl Chev/GMC 216,235,261 '40-'62..$29.99

Update your engine to a Best Gasket rubber lip rear main seal. These seals are the highest quality seals available for this application.

BG4519S Rear Main Seal (lip) Chevy 235-261 Chevy '56-'62...............$49.99

Update your engine to a Best Gasket rubber lip rear main seal. These seals are the highest quality seals available for this application.

BG4515S Rear Main Seal (lip) Chevy 230, 250, 292 Chevy '62-'79......$39.99

Update your engine to a Best Gasket rubber lip rear main seal. These seals are the highest quality seals available for this application.

BG3711X Rear Main Seal (lip) Best Gasket 265-283 Chevy '55-'58.....$49.99

Update your engine to a Best Gasket rubber lip rear main seal. These seals are the highest quality seals available for this application. Will not work on early '58 348 engines.

BG3610X Rear Main Seal (lip) Best Gasket 348-409 Chevy '55-'58.....$34.99