Notes: Ultra Pro Magnum(TM); Stud 3/8". Ratio 1.6"; Twisted wedge head; 1 pieces.

Notes: Ultra-Gold(TM); aluminum; stud 7/16" ratio 1.6; 12 pc.; must use screw-in studs and guide plates;

Notes: Aluminum roller rockers; stud shaft; 1.5 ratio; 16 pc.;

Notes: Ultra pro magnum(TM). Stud 7/16". Ratio 1.6" ; 8 pieces.

Notes: Ultra Pro Magnum(TM); stud 3/8" ratio 1.6"; 16 pieces; Small Block

Notes: Ultra-Gold(TM); aluminum; stud 7/16" ratio 1.6; 16 pieces. ; must use screw-in studs and guide plates; Small block

Notes: High Energy(TM); rocker stud 3/8"; ratio; 1.75; Steel; 12 pieces.

Notes: Ultra Pro Magnum(TM) XD; Stud 7/16". Ratio 1.5". 1 piece.

Notes: Aluminum roller rockers; stud 7/16"; 1.3 ratio; break in rocker; 1 pc.; requires screw-in studs and guide plates; not legal for sale or use on pollution-controlled motor vehicle;

Notes: Magnum roller rockers; rocker stud 3/8"; 1.52 ratio; For use hydraulic flat tappet cams; 8 pieces.