Brand: UMI Performance
Manufacturer’s Part Number: ABF409-1-B
Part Type: Suspension Handling Packages
Product Line: UMI Performance Stage 5 Handling Kits
Summit Racing Part Number: UPI-ABF409-1-B
Front Coil Springs Included: Yes
Rear Coil Springs Included: Yes
Rear Leaf Springs Included: No
Front Shocks/Struts Included: Yes
Front Shock Type: Double adjustable twin-tube
Rear Shocks/Struts Included: Yes
Rear Shock Type: Double adjustable twin-tube
Front Sway Bar Included: Yes
Front Sway Bar Color: Black
Front Sway Bar Type: Solid
Front Sway Bar Diameter (in.): 1.250 in.
Front Sway Bar Diameter (mm): 31.75 mm
Rear Sway Bar Included: Yes
Rear Sway Bar Color: Black
Rear Sway Bar Type: Solid
Rear Sway Bar Diameter (in.): 1.000 in.
Rear Sway Bar Diameter (mm): 25.40 mm
Tie Rod Sleeves Included: No
End Link Bushings Included: Yes
Rear Leaf Spring Bushings Included: No
Sway Bar Bushings Included: Yes
Upper Trailing Arms Included: Yes
Lower Trailing Arms Included: Yes
Trailing Arm Mount Braces Included: No
Panhard Bar Included: No
Torque Arm Included: No
Upper Control Arms Included: Yes
Lower Control Arms Included: Yes
Control Arm Style: Tubular
Control Arm Material: Steel
Control Arm Color: Black
Front Strut Tower Bar Included: No
K-Member Included: No
K-Member Support Brace Included: No
Rear Strut Tower Bar Included: No
Subframe Connectors Included: No
Chassis Stiffener Included: Yes
Calipers Included: No
Rotors Included: No
Brake Pads Included: No
Brake Lines Included: No
Wheel Studs Included: No
Center Link Included: No
Spindles Included: No
Inner Tie Rod Ends Included: No
Outer Tie Rod Ends Included: No
Bushing Material: Spherical bearing/Delrin®
Bushing Color: Black
Mounting Hardware Included: Yes
Quantity: Sold as a kit.
Notes: 450 lbs./in. front springs. Rear sway bar is adjustable.
UMI Performance Stage 5 handling kits include all of UMI’s high-end Pro-Touring products and will turn your A-body into a corner carving machine. Up front, the kits start with UMI’s awesome 4056-3 adjustable A-arm loaded with a 0.9 in. taller ball joint. This arm increases caster to around 6 degrees and allows road race camber settings with no shims. The lower A-arms are loaded with UMI-built Delrin© bushings for smooth motion and precise steering; as well as 0.5 in. tall lower ball joints to further increase spindle height and get rid of the factory bump steer. The 1.4 in. of additional spindle height transforms the A-body camber curve into something race-worthy. Viking’s front hybrid coilovers with double adjustable shocks allow ride height, compression, and rebound adjustment. The ride height adjustment is accomplished with the included spanner wrenches and thrust washers. The compression and rebound adjusters are clicked by hand (no tools!) and feature a total of 361 possible valving combinations. These bolt-on handling kits are available for a wide range of applications, including many Pontiac, Oldsmobile, Chevrolet, Buick, and GMC vehicles from the 1960s and ’70s.
