The ScienceofSpeed Billet Oil Pump Gearset is designed to replace the factory cast gears to improve the engine's durability. The factory oil pump gears can shatter under heavy duty use.
The gearset is machined from billet 17-4 hardened stainless steel. Heat treating is used for increased hardness in up to 160 MPa. Gearset is precision machined to .0005" for exacting tolerance. Because most used factory oil pump housings will have wear and scratches from use (resulting in less than ideal gear to housing clearances) ScienceofSpeed produces a gear that is .060" thicker than the factory gear. This has two benefits: the housing is machined to produce a fresh surface and the increased diameter results in increased flow.
The oil pump gear set is not sold separately, and only as an assembly with the oil pump gearset installed in a bead blasted and machined housing. The assembled unit includes a new oil pump seal and a modified relief spring that increases oil pressure by approximately 10 psi. Customer MUST send in their core unit first to be modified, or a core unit can be sent out to the customer, and they must then return their factory original core oil pump.
ScienceofSpeed Core Exchange Program:
ScienceofSpeed offers a free core exchange program for this product. You will be charged a refundable deposit on check out. Once you receive the product, return your core to ScienceofSpeed within 30 days from date of receipt for a refund. For full details, please click here.