Exhaust Manifold Yoke Washer Stepped for Header 240Z 260Z 280Z 280ZX

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.