1970-1981 GM F-Body Handling Kit - 2" Lowering - Stage 1-3.5

UMI’s Stage 1 handling kit is the cost effective way to refresh your trusty 2nd Gen and bring the joy back to daily driving. The kit includes 2" UMI front lowering springs (600 lb/in rate) and rear lowering leafs (175 lb/in) which takes away that floating feeling so common with soft springs. UMI's slim monotube shocks front and rear control body movement and improve response when hitting transitions on your favorite back road. The 2nd Gen platform responds nicely to the heavy duty 1-1/4" front sway bar which prevents body roll and makes the car much more fun, and easy, to drive. We also include a new poly shackle and rear isolator kit to refresh that commonly corroded area. The UMI Stage 1 kit is designed to work together properly to offer an enjoyable ride and sporty feel. This kit is 100% Made In USA and is suitable for daily driving as well as corner carving.

Suitable for daily driving and even occasional corner carving.

Achieve approx 2" lowering and a sporty stance with 600 lb/in race quality front springs and 175 lb/in rear leafs.

UMI slim body monotube shocks control body movement and smooth out bumps and dips.

UMI 1-1/4" sway bar reduces body roll and improves response during corner carving.

Includes poly rear shackle and isolator kit.

100% Made In USA.

UMI’s FBF002 Stage 2 handling kit features everything you need to transform your 2nd Gen F-Body from a land yacht into a modern handling, fun to drive muscle car. Caster corrected upper and lower a-arms, combined with a tall ball joint in the upper arm, improves caster for stability as well as camber gain for cornering. 2″ front lowering springs and rear lowering leafs take away that floating feeling so common with soft springs. Bilstein shocks feature comfortable compression and sporty rebound damping to control body movement and improve response when hitting transitions on your favorite back road. The 2nd Gen platform responds nicely to the heavy duty 1-1/4″ front sway bar which prevents body roll and makes the car much more fun, and easy, to drive. The UMI designed leafs are delivered with the front bushing installed and the kit includes laser cut shackles with polyurethane bushings for a comfortable ride. Also included are high quality polyurethane isolator pads as well as heavy duty Made In USA U-bolts and hardware. This kit is suitable for daily driving as well as corner carving and is 100% Made In USA of USA materials.

Optional hardware kit: Upper and lower a-arm premium quality installation hardware kit. P/N 2602 for 1970-1974 or 2603 for 1975-1981.

Includes:

• 2651-B Smooth riding polyurethane bushing lower a-arm features increased caster for stability.
• 2653-1-B Delrin bushing CrMo cross shaft upper a-arm features additional caster for stability as well as ½” taller upper ball joint to improve cornering.
• 2647F 2” lowering springs are built from premium CrSi wire with 600 lb/in spring rate to prevent floating without being harsh.
• 4035-B 1-¼” front sway bar resists body roll and includes bushings and endlinks.
• Bilstein shocks feature comfortable compression valving and high performance rebound valving. Perfect for daily driving mixed with aggressive cornering.
• 2620 2” drop leaf springs (175 lb/in) come loaded with front bushings. Spring rate is high performance yet daily driver worthy.
• 2625 Laser cut shackle kit with high performance polyurethane bushings are a great mix of performance and comfort.
• 2627 Heavy duty U-bolts, front bolt and polyurethane axle pads improve performance and replace rusty, worn out components.
• 100% Made In USA

UMI’s Stage 2.5 handling kit features everything you need to transform your 2nd Gen F-Body from a land yacht into a modern handling, fun to drive muscle car. Viking front hybrid coilovers feature a moderate spring rate as well as 19 damping settings in both compression and rebound. Caster corrected upper and lower a-arms, combined with a tall ball joint in the upper arm, improves caster for stability as well as camber gain for cornering. The 2nd Gen platform responds nicely to the heavy duty 1-1/4″ front sway bar which prevents body roll and makes the car much more fun, and easy, to drive. The UMI designed leafs are delivered with the front bushing installed and the kit includes laser cut shackles with polyurethane bushings for a comfortable ride. Also included are high quality polyurethane isolator pads as well as heavy duty Made In USA U-bolts and hardware. The rear suspension damping is handled by Viking double adjustable smooth body shocks with 19 compression and 19 rebound settings and pair nicely with the fronts. This kit is suitable for daily driving as well as corner carving and is 100% Made In USA of USA materials.

Optional hardware kit: Upper and lower a-arm premium quality installation hardware kit. P/N 2602 for 1970-1974 or 2603 for 1975-1981.

Includes:

• 2651-B Smooth riding polyurethane bushing lower a-arm features increased caster for stability.
• 2653-1-B Delrin bushing CrMo cross shaft upper a-arm features additional caster for stability as well as ½” taller upper ball joint to improve cornering.
• A225-550R Viking hybrid coilover kit features 550 lb/in rate with adjustable ride height and adjustable compression and rebound damping (19 clicks each).
• 7917-101 Thrust bearings to reduce friction in hybrid coilover
• 7995-101 Spanner wrench for easy height adjustment
• 4035 1-¼” front sway bar resists body roll and includes bushings and endlinks.
• 2620 2” drop leaf springs (175 lb/in) come loaded with front bushings. Spring rate is high performance yet daily driver worthy.
• 2625 Laser cut shackle kit with high performance polyurethane bushings are a great mix of performance and comfort.
• 2627 Heavy duty U-bolts, front bolt and polyurethane axle pads improve performance and replace rusty, worn out components.
• B219 Viking shocks feature 19 independent clicks of both compression and rebound adjustment
• 100% Made In USA

UMI’s FBF003 Stage 3 handling kit features everything you need to transform your 2nd Gen F-Body from a land yacht into a modern handling, corner carving muscle car. Caster corrected upper and lower a-arms enhance high speed stability and reduce wandering. These arms feature a tall ball joint in the upper arm and Delrin bushings in the lower to improve steering response and optimize camber gain for better cornering. 2″ front lowering springs and rear lowering leafs take away that floating feeling so common with stock, worn out springs. Bilstein shocks feature comfortable compression and sporty rebound damping to control body movement and improve response when hitting transitions on your favorite back road. The 2nd Gen platform responds nicely to the heavy duty 1-¼” front sway bar which prevents body roll and makes the car much more fun, and easy, to drive. The UMI designed leafs are delivered with the front bushing installed and the kit includes laser cut shackles with Delrin bushings for a crisp, sporty ride. Also included are high quality polyurethane isolator pads as well as heavy duty Made In USA U-bolts and hardware. This kit is suitable for corner carving and even daily driving with a sporty feel. 100% Made In USA of USA materials.

Optional hardware kit: Upper and lower a-arm premium quality installation hardware kit. P/N 2602 for 1970-1974 or 2603 for 1975-1981.

Includes:

• 2652-B Delrin bushing lower a-arm features excellent steering precision and increased caster for stability.
• 2656-1-B Delrin bushing CrMo cross shaft upper a-arm features additional caster for stability as well as ½” taller upper ball joint to improve cornering.
• 2647F 2” lowering springs are built from premium CrSi wire with 600 lb/in spring rate to prevent floating without being harsh.
• 4035-B 1-¼” front sway bar resists body roll and includes bushings and endlinks.
• Bilstein shocks feature comfortable compression valving and high performance rebound valving. Perfect for daily driving mixed with aggressive cornering.
• 2620 2” drop leaf springs (175 lb/in) come loaded with front bushings. Spring rate is high performance yet daily driver worthy.
• 2626 Laser cut shackle kit with high performance Delrin bushings feature premium performance and reduced deflection.
• 2627 Heavy duty U-bolts, front bolt and polyurethane axle pads improve performance and replace rusty, worn out components.
• 100% Made In USA

UMI’s Stage 3.5 handling kit features everything you need to transform your 2nd Gen F-Body from a land yacht into a modern handling, fun to drive corner carver. Viking front hybrid coilovers control attitude and altitude and feature a cornering oriented spring rate as well as 19 damping settings in both compression and rebound. Caster corrected upper and lower a-arms, combined with a tall ball joint in the upper arm, improves caster for stability as well as camber gain for cornering. The 2nd Gen platform responds nicely to the heavy duty 1-5/16″ front sway bar which flattens cornering and makes the car much more fun to drive. The UMI designed leafs are delivered with the front bushing installed and the kit includes laser cut shackles with Delrin bushings for a crisp, high performance ride. Also included are high quality polyurethane isolator pads as well as heavy duty Made In USA U-bolts and hardware. The rear suspension damping is handled by Viking double adjustable smooth body shocks with 19 compression and 1