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BIG BORE XD® Pro-Touring Series 12:1 Steering Gear – Chevy/GMC C-Series (1967–1986)

BIG BORE XD® Pro-Touring Series 12:1 Steering Gear – Chevy/GMC C-Series (1967–1986)

$1,495.00
$1,495.00
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Part Number: SGX042-12S

This product typically ships within 3 business days.

Built for classic Chevy and GMC trucks that deserve modern handling. This BIG BORE XD Pro-Touring Series Steering Gear gives you a tight 12:1 ratio for quick response and confident control. Every gear is cast, machined, and hand-built right here in the USA with premium components—because steering should feel as good as your build looks.
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About:About:

Why you’ll love it

  • Autocross-ready performance – Fast ratio, smooth feel, and tight response.
  • All-new components – No reman parts.
  • Direct bolt-in – No cutting, welding, or fab work.
  • Made in the USA – Cast, machined, and hand-built right here.

Tech InfoTech Info

Heads‑up for installers

Direct bolt-in replacement. No mods needed. Just make sure you've got the right spline input for your year.

Fitment

1967–1986 Chevy/GMC C-Series trucks
(Specific spline details per year: 13/16-36 or 3/4-30)

Use it with

PSC pumps, hoses and steering accessories for best performance.

Ideal for

Pro-Touring builds, street performance, and anyone who wants steering that feels sharp and modern.

Specs

  • 12:1 ratio
  • 80mm piston with Double Lead Ball Technology
  • PSC 8204 Series zinc-plated casting
  • Billet aluminum top cover and end cap
  • Stage 8 locking fasteners
  • TiN-coated internals
  • PSC ported and tuned valving
  • Input shaft: 13/16-36 or 3/4-30 spline
  • Pressure port: 18 mm x 1.5 O-ring
  •  Return port: 16 mm x 1.5 O-ring

What’s included

  • Steering gear assembly
  • Stage 8 locking fasteners
  • Billet aluminum covers
California Prop 65 Warning

California Prop 65 Warning

This product can expose you to chemicals including lead and di (2-ethylhexyl) phthalate, which are known to the State of California to cause cancer, birth defects or other reproductive harm.

For more information, go to www.P65Warnings.ca.gov