SKU: 6567320863
Ships within 48 hours · Estimated delivery Aug 26 - Aug 31
Simply use a 5/16 inch drill bit to correctly lengthen the pushrod slot with precision
Note: Supplied with GM production oil seal
Made from Quality Die Cast Aluminum Material
grooved balls and nuts per package
Fits Big Block Chrysler B
Wedge-Locking Header Bolts Hex Head 3/8 Diameter X 1 Inch Blk Oxide Finish 16 Pcs Proform Ignition Coil Cover Simply use a 5/16 inchEach 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 in this manner, any bolt loosening rotation is blocked by a wedge locking action created by the washers interfacing, matching cams. Its an uphill climb: vibration that might
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