Harddrive Pol Oil Pump Big Twin 73-91 · 73-91
- HardDrive Oil Pumps are made from Cast Aluminum that is CNC machined then polished to a high shine finish.
- Surplus oil is routed back to the main supply passage rather than the return to avoid unnecessary filtering and offer the opportunity to upgrade earlier engines to the 81-up oiling system.
- This oiling system splits bottom and top end oil supply which increases oil pressure to the hydraulic lifters and and top end.
- Come's with gaskets, drive shaft with with keys and snap ring, mounting hardware, check ball and pressure relief valve assemblies.
- For full customization, oil pumps provide optional oil supply fitting locations. Models with oil tanks below the transmission should route via the stock locations for best lubrication performance.
Description & features6 features
Harddrive oil pumps are made from cast aluminum that is CNC machined to close tolerances and then polished to a high gloss finish. Great value for small dollars! Surplus oil is routed back to the main passage rather than the return to avoid unnecessary filtering and offer the opportunity to upgrade earlier engines to the 81-up oiling system. This oiling system splits bottom and top end oil supply which increases oil pressure to the hydraulic lifters and and top end. They come with gaskets, drive shaft with with keys and snap ring, mounting hardware, check ball and pressure relief valve assemblies.
- HardDrive Oil Pumps are made from Cast Aluminum that is CNC machined then polished to a high shine finish.
- Surplus oil is routed back to the main supply passage rather than the return to avoid unnecessary filtering and offer the opportunity to upgrade earlier engines to the 81-up oiling system.
- This oiling system splits bottom and top end oil supply which increases oil pressure to the hydraulic lifters and and top end.
- Come's with gaskets, drive shaft with with keys and snap ring, mounting hardware, check ball and pressure relief valve assemblies.
- For full customization, oil pumps provide optional oil supply fitting locations. Models with oil tanks below the transmission should route via the stock locations for best lubrication performance.
- NOTE: Cases manufactured from '70-80 may require drilling.
Specifications2 specs
- Shipping weight
- 2.84 lb
- Package size
- 7.7 × 7.6 × 3.6 in
Part numbers
- Salto part #
- 820-50102
- Harddrive part #
- 301495
- UPC
- 191361165443
Shipping
In stock at a distributor warehouse. Ships in 2–4 business days by ground.
Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.
Questions4 answers
- Is it in stock?
- Yes — the distributor shows it on a shelf at a regional warehouse right now. We check again the moment you order, before anything is charged.
- How fast will it get to me?
- Usually 2–4 business days by ground.
- Will it fit my machine?
- The distributor doesn’t publish a vehicle fitment list for this part. Call the counter at 801-361-3010 with your year, make and model and we’ll check it with you before you order.
- Is this genuine Harddrive?
- Yes. It ships new from the same distributors the big online stores buy from — Harddrive part #301495.
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