ARP 135-7102 3/8 Dia. Rocker Arm Studs Kit for Chevrolet Big Block BBC GEN 5/6 454-502Base Thread Size: 3 8 16 in. Rocker Arm Nut Thread Size: 7 16 20 in. Guideplate Locator Shank: Yes Rocker Arm Nut Thread Length (in): 0. 750 in. Effective Stud Length (in): 1. 900 in. Base Thread Length (in): 0. 750 in. Quantity: Sold as a set of 16. Notes: These rocker arm studs are designed to convert non adjustable Gen V cylinder heads to an adjustable valvetrain. ARP High Performance series rocker arm studs are ideal for ET bracket racing, limited

Includes washer

They're available for single

Grind Number: 268S

Enginetech Rod & Main Bearings

000" Bore 65-69   Ex

Thermostatically controlled to ensure optimum bottle temperature is reached & maintained

Limited Lifetime Warranty

Recommended Pushrods: 1779-16

050 Inch Lift: 242

ZEX™ Bottle Brackets are a durable and easy to use solution for mounting any 10 lb

1300-6300 rpm range

Exhaust Overall Length (in): 7