Product details:
Crane Cams 99146-16: Rocker Arm Studs, 3/8 in.-24 Top, 5/16 in.-18 Base, 1.50 in. Made from high-quality hardened alloy steel and finished in durable black oxide, they're precision-machined and heat-treated for reliable operation with today's advanced valvetrains. Specially machined threads and shoulder areas assure you firm and positive rocker arm support with minimal movement or distortion.