Hi Pressure port on gear box is 11/16"-18
Caution should be taken when using this adapter
Can be used with both small blocks and big blocks
MUNCIE 4 SPEED
Hydropower® is a registered trademark of the Robert Corporation
Headlight Switch - 90-94 Chevy GMC CK Truck Die Cast Hi Pressure port on gearHeadlight Switch 90 94 Chevy GMC C K Trucks & SUVs: C1500, C2500, C3500, K1500, K2500, K3500, Silverado, Sierra, Blazer, Yukon, Suburban Ensure reliable headlight operation in your Chevy or GMC vehicle with this Headlight Switch, designed for 1990 1994 C K trucks and SUVs. This OEM quality replacement is compatible with a wide range of models, including C1500, C2500, C3500, K1500, K2500, K3500, Silverado, Sierra, Blazer, Yukon, and Suburban, offering