Wedge Locking Header Bolts PR66753 Kinsler TRI-Y Competition Exhaust Headers 1-3/4"

TRI-Y Competition Exhaust Headers 1-3/4" PrimarySuit Holden HQ-WB 5

095" Tube With 1/2-20 L/H Thread

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Wedge Locking Header Bolts PR66753 Kinsler TRI-Y Competition Exhaust Headers 1-3/4"Wedge Locking Header Bolts1" UHL x 3 8 16" (Set Of 12) PR66753 66753 Fits: GM V6, SB 265 400, Buick, Olds, Pontiac '79 & earlier Mopar BB 383 440 exc 413, AMC V8's w 3 8" bolts Each PROFORM Grade 8 Header Bolt is permanently assembled with a pair of special washers. When the bolt is torqued to 28+ ft lbs, the washers super hardened external teeth bite into and grip the bottom of the bolt head and the top surface of the header. After being self locked