Spin-On Adapter Kit (20x 1.5mm)

The Spin-On Adapter Kit (20x 1.5mm) by DERALE is a precision bypass oil filter adapter designed for direct block-mount installation on high-performance and modified engine platforms. This adapter kit serves enthusiasts and professional technicians who require reliable oil circulation management without compromising engine protection. By facilitating bypass filtration, this adapter allows unfiltered oil to circulate when filter pressure rises, preventing starvation during cold starts or high-flow conditions—a critical safeguard for turbocharged, supercharged, and heavily modified powerplants.

Engineered from durable polished aluminum, the Spin-On Adapter Kit features a 20x 1.5mm center thread connection with 1/2 inch NPT inlet and outlet ports, ensuring compatibility with standard industrial and automotive hydraulic plumbing. The bypass design protects engine bearings and critical surfaces by maintaining oil delivery when conventional filter media becomes saturated or restricted. The polished aluminum construction resists corrosion while delivering a professional appearance in engine bay installations, and the compact 4.45 x 2.35 x 7.3 inch footprint accommodates tight engine compartments without excessive protrusion or interference with surrounding components.

This kit is ideal for builders working with LS engines, big-block Chevys, Mopar platforms, and custom-fab applications where OEM filter housings cannot accommodate modern spin-on filters or dual-filter setups. Professional shops and weekend warriors benefit from the straightforward NPT inlet/outlet configuration, which pairs seamlessly with braided stainless steel hoses and aftermarket oil cooling systems. Installation requires basic mechanical knowledge and proper torque specifications; verify center thread pitch and NPT fitting compatibility with your specific engine block before purchase to ensure leak-free performance.