Earl's Oil Filter Adapter - Bypass - 3/4-16 Center Thread - 1/2 in NPT Female Inlet - 1/2 in NPT Female Outlet - 2-3/4 in O-Ring - Black HARN03F003 Various GM 2004-23

Various GM 2004-23

270 degree arm and back gussets

Kit is complete with adjustment knob

Biondo Ultra-Quick Mushroom Button Micro Switch MUSH

Earl's Oil Filter Adapter - Bypass - 3/4-16 Center Thread - 1/2 in NPT Female Inlet - 1/2 in NPT Female Outlet - 2-3/4 in O-Ring - Black HARN03F003 Various GM 2004-23Earl's Billet Aluminum Oil Filter By Pass Adapter 1178 Spin On Oil Filter Bypass Adapter Aluminum Natural 3 4 16" Thread 1 2" NPT Inlet OutletEngine Oil Filter Adapter Quick and Easy To Install Product Description: Oil Filter Adapter Bypass 3 4 16 Center Thread 1 2 in NPT Female Inlet 1 2 in NPT Female Outlet 2 3 4 in O Ring Aluminum Black Anodized Sold Individually Earl's Performance Products was founded by Earl Fouts in 1955 in Lawndale, California.