SKU: 77197116199
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
41:1 gear reduction
Works on Most All Sizes of Studs and Broken Bolts
For Use With Stamped Steel Rocker Arms
Includes 1 Inch Long 1/4-20 Mounting Studs
Features Adjustable Base To Fit Most Aluminum Rocker Lengths And Offsets
Wedge-Locking Header Bolts Hex Head M8 X .984 Inch Chevy LS Nickel Plt 12 Pcs Proform Exhaust Header Gasket 41:1 gear reductionEach 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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