Size: 3/8-24 x 2-1/2" (.003" Oversize) Dorman's Engine Rocker Arm Bolts are manufactured with a high corrosion resistance for an extended service life. Long-lasting durability is ensured. Alternate/OEM Part Number(s): 3814692 DORMAN Warranty Information Limited lifetime. Manifold with Catalytic Converter 5 years/50,000 miles. Mirror glass 12 months.