If you've ever taken off the exhaust manifold on your RB25 and RB20 you know how much of a hassle the stock exhaust manifold studs are. Whether they are broken, stripped, or just a being a pain - this upgrade package will help alleviate your problems.
The package utilizes 14mm prevailing torque flanged nut. This combination helps avoid hassles when threading the stud in, and uses an anti-vibration locking flanged nut so no washer is needed.
Better fastener technology is your friend, take advantage!
This kit includes 12 nuts and 12 studs.
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