Stage 8 (8997) Exhaust Header Nut Kit Reviewhttp://tinyurl.com/knxzeut Stage 8 (8997) Exhaust Header Nut Kit Grade 8 bolts will not stretch when hotDuplex nickel finish for a superior look and corrosion resistanceDouble Hex Head includes 3/16 inch recessed Allen Head for easy installationRemovable and reusableCan visually inspect - no need to put a wrench on to check tightness
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