RodderMods

Chassis stiffening

1967–70 Mercury Cougar chassis stiffening

4 kits to stiffen the frame, from frame rails and connectors to braces and roll bars.

Stiffening kits

Prices checked Oct 14, 2026

AreaKitWhat it isPrice
Subframe connectors Global West 67-70 Mustang/Cougar Convertible Sub Frame Connectors (GLO911C) Weld-on; convertible only. $291.95 Restoration Performance price Source
Subframe connectors Total Control Products Subframe Connectors Weld-On Pair (SUBFC-01) Listed for Mustang; page notes it also fits 1967-70 hardtop Cougars. $409.99 CJ Pony Parts price Source
Shock & strut tower braces Restorer's Choice 1964-70 Mustang, Cougar Shock Tower to Firewall Export Brace; Chrome OE-style export brace. $73.99 Classic Industries category listing price Source
Shock & strut tower braces Global West 1967-70 Mustang/Mercury Cougar Adjustable Monte Carlo Bar, With Bend Adjustable Monte Carlo bar. $159.99 Classic Industries category listing price Source

Prices are from the linked seller pages and change often. Confirm fitment for your exact year and body style before ordering; many weld-in parts need professional installation. Some links earn us a commission.