Suspension Engineering K-Member — 1998-2002 Chevrolet Camaro & Pontiac Firebird | LS1 OE Mounts | 33-1013 1987-dodge-d100-esi9554215 What material and finish does

What material and finish does this nut have

ALL18279-10 includes 10 aluminum jam nuts per pack

Includes GT500 style strut mounts

The ALL19284 has an oval head and uses a slotted quarter-turn method

Suspension Engineering K-Member — 1998-2002 Chevrolet Camaro & Pontiac Firebird | LS1 OE Mounts | 33-1013 1987-dodge-d100-esi9554215 What material and finish doesThis K member uses factory OE LS1 engine mounts and bolts to the factory sub frame mounts on 1998 2002 Chevrolet Camaro and Pontiac Firebird Trans Am models. The main cross tubes are built from 1 1 2" OD DOM tubing with boxed A arm mounts, factory rack and pinion mounts, and good clearance for turbo piping. Vehicle Applications: 1998 Chevrolet Camaro 1998 Pontiac Firebird 1999 Chevrolet Camaro 1999 Pontiac Firebird 2000 Chevrolet Camaro 2000 Pontiac