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600 exhaust valves with options for either 58cc or 72cc combustion chambers and 70cc exhaust ports
When the shifter handle is pulled into low gear
Pre-1971 blocks may require modifications
BB Chev Forged H-Beam Conrod Set6
high load dry film anti-wear agent
Wedge Locking Header Bolts PR66753 Product:1" UHL x 3/8-16" (Set Of 12) 600 exhaust valves with optionsWedge 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
US$ 48.00
US$ 32.99
US$ 34.99
US$ 1760.00
US$ 86.00
