This special-order item requires extra processing time; we’ll email you the ETA after your order, or you can use the contact form with your shipping address and item name to request it.

Photo - Primary
User 1

SPC Performance

SPC Performance 55-57 Chevrolet Tri-5 Upper Adjustable Control Arm

$1,095.95 USD
$1,095.95 USD
$1,191.25
Sold Out

Details

This unique, patented design provides the most adjustability and best clearance of any arm available for the classic Tri-Five Chevy applications. Sold as a pair, these forged steel adjustable arms come with ball studs that are 1/2" taller than stock to improve camber curve. Dial in some caster combined with t he ability to adjust camber, yields a truly 'modern' feeling suspension. The ball joints are greaseable and fully rebuildable. Additionally, OE length and 1/4" extended studs are also available to fine tune ride characteristics and maximize specific suspension geometry. Consider combining upper control arms with available lower control arms to complete the transformation of any Pro Touring, Track Ready, or daily driven street use American Muscle car. Sold as pairs. US Patent No. 9,751,370.

Installation Instructions

This Part Fits:

Year Make Model Submodel
1955-1957 Chevrolet Bel Air Base
1955-1956 Chevrolet Bel Air Beauville
1955-1957 Chevrolet Bel Air Nomad
Trusted Performance Specialists Since 1996  •  60,000+ Builds Powered  •  Authorized Dealer of 250+ Brands
📧 Contact Us | 🕐 Mon–Fri 9am–6pm PST | ↩ Reply within 1 business day

Join the Insider List

Exclusive deals, new product drops, and fitment guides — direct to your inbox.

FOLLOW US

affirm 0% financing on orders $500+
VISA MC AMEX Shop Pay
SP Engineering  •  424 Turnbull Canyon Rd, City of Industry, CA 91745  •  Est. 1996
© 2026 SP Engineering. All rights reserved.