Sprint Car Rear Bumper With Basket. 4130. Plated.4130 rear bumper with basket and post. Plated. This is the strongest configuration available; the basket protects the tail tank from damage. CNC bent and jig built for quality and exact fit. Fits most chassis. Style: With Basket. With Post. Width: Top 24 3 4" (Center to Center) Bottom 24 1 4" (Center to Center) Vertical Nerf Socket Split: 7 3 4" Length (measured down center of basket from top rail to back post): 24" Depth (from top of top rail to top

Gel-Coated black

Shoulder Length: 1

Left Front Shock Mounts (from axle centerline): 4 1/2"

so this RR Torsion Arm is for a custom car or chassis running a 1" torsion tube extension

Two 4130 front bumpers

Don't trust your safety to washers or blocks that only support a small fraction of the back of the seat

Bolts included

Includes a set of two rollers

Machined with a pocket on the inside of the arm to go over the torsion bar tube and allow the arm to rest on the front axle in exactly the same location as a normal LF torsion arm

Rubber Seals protect the bearing from dust or any possible contamination

Black hard coat anodized

Nuts/Bolts not included