Not the only option but good ones.
Standard TR6 Tire Size: 215 X 65 X 15
This web site is terrific for selecting a tire size that will work with your speedometer.
Motor Oil: 5W50 Castrol Edge with Syntec API SN, synthetic, formerly Castrol Syntec, black bottle = 75,409 psi ZDDP 1200 ppm
Spin on oil filter sizes: TR6 Fram PH3600
TR8 WIX 51515
Coolant: Evans Waterless High Performance Coolant is specially formulated for gasoline engines in classic cars and high performance vehicles. http://www.evanscooling.com/
Gear Oil: GL4 grade which is lower in sulphur. GL5 not recommended
Brake Fluid: Valvoline Synthetic GL4/GL5
Spline Lubricant – CV Joint Grease
Star Tron Fuel Additive: For use with ethanol fuel if you have to use it.