[blau911]

Here you go:
Oil Lines: $1559
Porsche 911 Oil Cooler kits - Elephant Racing
Thermostat: $395
ELEPHANT RACING 911 Oil Thermostat
Factory trombone oil cooler: $586
Pelican Parts - Product Information: 911-207-050-01-OEM
Add brackets, cross over line etc and the price goes well over $2700.
My 10 years of experience on this board and on the early911sreg has been that good used parts are usually priced at appr half the cost of new. $400 works out to be 14% of the cost of new. No way.