QA1 52623-D850 Coil-Over And Crossmember Kit Features:

• Powered rack-and-pinion offers quicker steering and increased steering angle when using larger wheels and tires
• The increased ground clearance allows lower ride heights
• Adjustable shock valving
• Bolt-in installation

QA1 52623-D850 Coil-Over And Crossmember Kit Fitment:

• No cutting or welding on the frame required
• Total inches of drop depends on wheel and tire choice
• Requires trimming of inner fenders
• Compatible with 15 in. and up wheels
• 18 in. and up wheels are required to optimize bump steer settings due to bushing clearance
• 18 in. wheels can have up to 6 in. backspacing
• 20 in. wheels can have up to 7 in. backspacing
• Works with OEM Small and Big Block Chevy oil pans
• May require different headers, depending on the header manufacturer
• Modular engine mounts (sold separately) that are year-range specific to maintain the original transmission mount location:
  • QA1 GM Gen III LS Engine Mounts for 1963-1987 Chevy C10, GMC C15 7740-374
  • QA1 Small Block/Big Block Chevy Engine Mounts for 1963-1966 & 1973-1987 Chevy C10, GMC C15 7740-375
• Modular engine mount kits (sold separately) for customizing engine and transmission location:
  • QA1 GM Gen III LS Engine Mount Kit for QA1 Tubular Crossmember 7740-379
  • QA1 Small Block/Big Block Chevy Engine Mount Kit for QA1 Tubular Crossmember 7740-378
• U-joint for steering rack is NOT included:
  • 1973-1978 Trucks use JEGS 3/4 in. DD x 1 in.-48 Spline Steering U-Joint 555-607005 (sold separately)
  • 1979-1987 Trucks use JEGS 1 in. DD x 3/4 in. DD Steering U-Joint 555-607006 (sold separately)
• May require new power steering hoses depending on fittings, pump, and engine placement