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Maximum Effort™ Aluminum Stud Girdle Kits

Designed to increase the strength and rigidity of the rocker arm studs by eliminating flex and thereby assuring true rocker arm ratios. Howards™ stud girdles are made from the highest quality aluminum. They are spring-loaded for easy removal and are anodized purple. A must for all competition engines not using shaft rockers. Locking hex head adjusters are included. Made in the USA.

Chev SB
90100 Small Block Chevrolet 3/8” stud Standard Offset
90101 Small Block Chevrolet 7/16” stud Standard Offset
Chev BB
90120 Big Block Chevrolet 7/16” stud Standard Offset
90121 Big Block Chevrolet Dart, Brodix, AFR & RHS
Ford SB
90200 Ford 289-351W 3/8” stud Standard Offset
90201 Ford 289-351W 7/16” stud Standard Offset
1-Maximum-Effort™--Aluminum-Stud-Girdle-Kits-HRC 90200

Stud Girdle Kits w/Torsional Stands (Patent Pending)

The features of the best stud girdles available, plus girdle stands. These innovative stands eliminates girdle bar rocking and all associated flex. Dyno test have shown 300 plus rpms over standard stud girdles. 100% CNC machined from premium 3/4” aluminum bar. Anodized for protection. The accuracy of shaft rockers with out the additional cost. Locking hex head adjusters are included. Made in the USA.

90105 Small Block Chevrolet 7/16” stud Standard Offset
90122 Big Block Chevrolet Dart, Brodix, AFR, RHS,Canfield, & World
2-ProMax™--Stud-Girdle-Kits-HRC 90105

Replacement Stud Girdle Adjusting Nuts



90125-1 Replacement Adjusting Nut 3/8”-24 Short, Each
90126-1 Replacement Adjusting Nut 7/16”-20 Short, Each
90127-1 Replacement Adjusting Nut 7/16”-20 Long, Each
3-Replacement-Stud-Girdle-Adjusting-Nuts-HRC 90126-1
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Featured Products
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    • HRC Extreme Billet Main Caps
    • Professional 2-Sided 14" Degree Wheels
    • Ultra Lite Billet Composite Fuel Pump Pushrods
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    • "The Original" Direct Lube™ Extreme Duty Lifters 
    • Precision Dense Forged Connecting Rods
    • Tool Steel Mechanical Lifters
    • ProMax™ Stud Girdle Kits
    • Track Smart™ Nitro-Carbided Rocker Arms
    • Howards™ Billet Aluminum Rockers



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280 W. 35th Ave.
Oshkosh, WI 54902
T: (920)2335228
F: (920)2321572
Email: info@howardscams.com
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