Part #: 650-052A
Stepped washer for use with aftermarket headers and intake manifolds on Datsun "L" series engines. Stepped washers are sold in a set of 6. These washers are designed for when using an aftermarket header or intake manifold and there is a difference in the flange thickness. If a stock washer is used with flanges of different thickness's there will not be an equal clamping force on each manifold. Choose between 3 different washer offsets.
Choose from aluminum (with SS washer) or hardened steel.
*Size (B) .125" step is the most common when using a 1/2" intake manifold flange to a 3/8" header flange.