SKU: 74745474706
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
One Shaft Only
One Fits AN Fitting Sizes -3AN Through -8AN
Fits 1962 to 2001 260-289-302-351W Small Block Ford Engines
For PROFORM Mini Starters
Made from High-Quality Chrome Moly Steel
Wedge-Locking Header Bolts Hex Head 3/8 Diameter X 3/4 Inch Blk Oxide 16 Pcs Proform 000LB Capacity 1 One Shaft OnlyEach 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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