Poly Locks for 3/8 Inch Rocker Arm Studs - Walmart.com
Amazon.com: JEGS Poly Locks | 7/16 “-20 Thread | 16 Per Package | Made in USA | .550 O.D. x 1.125 “ Long with 5/8 “ Hex Head : Automotive
Buy 4 x 1.25 CC APEX poly on alum SWIVEL W/TOTAL LOCK BRAKE, SS PRECISION BALL BEARING, 2-3/8 x 3-5/8 TP, 5-1/8 OH, 400# CAP | Shiffler - Furniture, Fixtures and Equipment for Schools