ARP Rocker Arm Nut - 3/8-24 in Thread - 0.550 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16 R0400034XL Performer 351-4V is designed for

Performer 351-4V is designed for street 351C and Boss 351 Fords that came stock with 4V carb and heads

s non-adjustable toe rods (TR002) are manufactured from heavy-duty 1x2-inch boxed steel tubing

and Air Plugs in Three Adjustable Inlets on Top and Both Sides of chin bar for the most adjustable Air Flow in the market

Here is the replacement rubber cover you need

2-7/8 in Pin 5x5 Hubs

ARP Rocker Arm Nut - 3/8-24 in Thread - 0.550 in Shank Diameter - 1.200 in Long - Chromoly - Black Oxide - Aluminum Rockers - Set of 16 R0400034XL Performer 351-4V is designed forA rocker arm adjuster that doesn't require special tools and won't work loose. Threads on the heat treated Perma Loc Adjusters are machined exactly perpendicular to the adjuster bottom. a set screw is also machined flush on the bottom. All of these features help eliminate setting valve lash on a regular basis. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Rocker Arm Nut 3 8 24 in Thread