Yes similar looking ones to original are available, using 500psi hydraulic return line hose and barb `push-on' fittings.
This hose is black, and textile braided, it's more flexible than the 1500psi steel braided hydraulic stuff.
I get them from Pirtek. Also are good on modified motors with no cooler, they have better flow than the banjo pipe.
Graham Russell uses it for this reason.
Details:
PIRTEK oil cooler hoses-
1- MPH-08 (35 bar, 500psi) 1/2” Hose, 320mm long (or whatever length you need).
2- BF1-0808P Fitting, push-on barb type ½” BSPP female.
These fittings don't seem to be available with a bend now (from Pirtek anyway).
If you need a 30* or 45* angle connection onto the cooler, fit a 1/2" BSP M/F elbow. Pirtek has them.
BTW, these barb fittings are reuseable. Just cut hose, oil inside the end and push on.
here's the one I made up for Chong's 1330-

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.
