Page 186 of Mr.Gasket Performance Gaskets & Accessories by Prestolite Performance

rocker arm nuts and studs sure-lock rocker arm nuts · designed to keep rocker arms positively locked for precise and critical valve train adjustment · manufactured from high quality steel and heat-treated for extra strength · rocker arm nuts are zinc dichromate plated and set screws black oxide to resist corrosion and provide a clean professional appearance shank stud part size no for stock rocker arms o.d chevrolet 283-400 small block pontiac 326 400 455 ford 289-302-351 gold tone finish .603 3/8 920g chevrolet 396-454 big block pontiac heavy-duty bright zinc finish .670 7/16 921g pontiac 421 428 ford 351w 1969-75 black finish .610 5/16 922g for aluminum rocker arms chevrolet 283-400 small block pontiac v8 ford 289-302-351 ex 351c gold tone finish .540 3/8 923g chevrolet 396-454 big block pontiac heavy-duty black finish .544 7/16 924g 920g competition screw-in rocker arm studs · manufactured from high quality grade 8 steel and heat-treated for extra strength · ideal for high performance street and race car applications · the enlarged radius at base of stud above the hex provides extra strength this design prevents stud flexing and breaking · black oxide to resist corrosion and provide a clean professional appearance chevrolet small block 265-400 3/8 24 x 1.75 l top 7/16 14 bottom set of 8 pcs 1071 chevrolet small block 3/8 24 x 1.75 l top 7/16 14 bottom set of 16 pcs 1075 chevrolet big block 396-454 gen iv 1965-90 7/16 24 x 1.75 l top 7/16 14 bottom set of 16 pcs 1074 note modification to cylinder head and rocker arm stud boss required for chevrolet small block when replacing oe pressed-in rocker arm studs 1074 screw-in rocker arm studs · manufactured from high quality grade 8 steel and heat-treated for extra strength · ideal for high performance camshafts in cars used primarily on the street · easy installation tap the boss in cylinder head and screw in the studs · black oxide to resist corrosion and provide a clean professional appearance chevrolet small block v8 265-400 3/8 24 x 1.47 l top 7/16 14 bottom set of 16 pcs 1076 note modifications to cylinder head required for chevrolet small block when replacing oe pressed-in rocker arm studs all kits are skin packaged unless otherwise noted 1076 184

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