Polyurethanes:

Urethane over comes ruthless vehicle trek, produces crisp handling, maintains geometry control, extended life span with the soft, comfy ride of rubber. Some of the benefits are optimized braking capacities, improved tire performance & tire wear, remedy or optimize wheel alignment settings, enhance vehicle cornering stability.

For Pourable Polyurethanes: Webster & Sons Limited Canada

For Polyurethane Bushings: Whiteline Automotive (Minto NSW Australia)

Whiteline & Superpro from PDM Racing in (Canadian Distributor) Burnaby, BC Canada
Superpro down loadable PDF Catalogue
F Control Arm Lower - Inner Bush SPF1468K 1 3/73 to 6/79 , 29mm OD bush 4B,2T
F Control Arm Lower - Inner Bush SPF1473K# 1 7/79 on 4B,2T
F Strut Bar to Chassis Mount SPF1469K 1 3/73 to 6/79 4B
F Strut Bar to Lower Control Arm SPF1316K 1 3/73 to 6/79 4B
F Strut Bar to Lower Control Arm SPF1642K 1 7/79 to 11/83, 33.5 OD bush 4B,2T
F Sway Bar Mount to Chassis Bush SPF1333-_ _K 1 Measure bar diameter 10,12,13,14mm available 2B
R Radius Rod SPF1470K 1 Rear bush 4B,2T
R Radius Rod SPF1471K 1 Front bush 4B,2T
The SPF# is the part Number you just enter the proper # in the Whiteline web store

Noltec Suspension Parts listed on line (Thornleigh NSW Australia)

Lower control arm - inner F 2 N52068 1 Incl. crush tubes 
Radius rod to chassis F 2 N82072 1 
Radius rod to control arm F 2 N82071 1 
Sway bar - mount 14mm F 2 N22094 1 14mm 
Sway bar - mount 16mm F 2 N22095 1 16mm 
Engine steady-both ends F 2 N92073 1 
Lower control arm - inner R 4 N62067 1 Incl. crush tubes 
Lower control arm - outer R 2 N52068 1 Incl. crush tubes 
Trailing arm R 4 N62069 1 Incl. crush tubes 

Spectrum Rubber (urethane bushings) Not cheap (Dunheved NSW 2760 Australia)