Leaf Spring P/N Question

[Cougar_Bill]

There are a few threads already going discussing this

'67 Cougar spring rates

The Cat is a 69 XR-7, originally a H code Windsor. It has a very strong full roller motor with alum heads,approx 550+ A worldclass T5 rebuilt with racing components. Suspension is factory w/ Moog parts. Shelby drop & upper A arm modifications as per the Boss 302 chassis mod book, export & reinforced cross member. 8356 coils springs with 1 full coil cut. 1" block in rear leaf springs (66-311). Brakes are factory with Porterfield carbon brakes. Tires are Hoosier TD track tires on 15" wheels. Ho…

New leaf springs?

Great info here