1985 GMC Chevrolet Performance Oiling Systems

Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, 13/16-16 in. Thread, Each

Part Number: NAL-19299222

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/19/2026

Windage Tray, to be used with Pan Part Number NAL-10055765, Chevy, Each

Part Number: NAL-12554816

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/19/2026

Oil Pump, High-Volume, Standard-Pressure, Chevy, Big Block, Kit

Part Number: NAL-19210599

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Oil Filter Adapter, Steel, Natural, Chevy, GMC, 4.3L, Each

Part Number: NAL-14081300

4.97 out of 5 stars ( 34 )

Estimated Ship Date: Monday 1/19/2026