This Choppin' Block chassis has changed the way you lay out or coilover your 55-59 GM truck. Utilizes improved geometry, engineered to lay frame with less hassle. By utilizing the rack and pinion steering, you get smoother steering to give you a more late model truck driving experience. Lays up to a 30” tire front, 31” rear
IMAGES ARE FOR REPRESENTATIONAL PURPOSES ONLY. ACTUAL CHASSIS DESIGN MAY SLIGHTLY VARY.
Ride Height:
Extreme Air Suspension: 4.5"-5" Ride Height
(Lays out on 30" FR / 31" RR)
Performance Air Suspension: 4.5"-5" FR / 5.5"-6" w/ 27" Tire
(Up To 8* Caster, Aired Out Height of 3")
Performance Coil-Over: 4.5"-5" FR / 5.5"-6" w/ 27" Tire
(Up To 8* Caster)
Track Width:
Extreme Air Suspension: 60" (55-59 is 58")
Performance Air Suspension: 62" (55-59 is 58")
Performance Coil-Over: 62" (55-59 is 58")
Features:
- Up to 15” wide rear wheel (12"wide for coilover)
- Narrows front track width
- Eliminates bump steer w/ rack & pinion and flipped tie rods
- Easy cam alignment adjustments
- Rear triangulated 4-link
- Modular bolt-together construction
- Positions engine low for hood clearance
- Accuair e-Level ready
- LS engines need F-body oil pan or Holley 302-2.
- The lower control arms are 1.5", 3/16" wall, and uppers are 1.00", 1/8" wall.
Advantages:
- Cam bolts for alignment adjustment, no shims needed
- Lifetime warranty
- Keeps engine low in the frame to increase hood clearance
- Uses tapered pin for the spindle, no need to drill spindle
Stage 1 Includes the Following:
- Full Frame, main crossmember, motor mounts and structural components
- Tubular control arms with bushings and ball joints
- Rack-n-Pinion hardware, with heim end for spindle
- KYB Shocks
- Engine Mounts
- Inner Frame Structure
- Body Drop Frame Body Mounts
Stage 2 Includes Everything in Stage 1 PLUS:
- Wilwood 2.5" Pro Spindles
- 9" Ford Housing w/ 31 Spline Axles (Customer Spec'd Width)
- Rack and Pinion
Stage 3 Includes Everything in Stage 1 & 2 PLUS:
- Slam Specialties SS7 Bags
- Pro Performance 14"/13" Revelator Brake Kit
Additional Options for All Stages
- Splined Front Sway Bar - 1.25"
- Splined Rear Sway Bar - 1.00"
- Battery Boxes - Single or Dual