Sometimes optimal weight and traditional aircraft mandates can be sacrificed on the alter of practicality and maintainability. Flexible Teflon hose within braided stainless shielding is way more impact and wear resistant than the run of the mill soft aluminum tubing in your kit. The hose ends are heavier but easier to deal with than bending and flaring tools regardless of make and quality.
All this can be purchased from any of the aircraft suppliers or any of the race car suppliers (at half the cost) that carry the Aeroquip line, which most of them do. Below is a link to an example;
http://aeroquipperformance.com/lookup.html?supercat=11&category=42
I'm sure others, some with vested interests will disagree, but beyond weight and expense the Teflon SS braided hose and end fittings are superior on almost all respects to bent aluminum tubing. Look in your firewall forward kit and see how much unbent aluminum tubing is included.
There are many others that supply the same items and quality as Aeroquip and there is an active forum member that markets a complete line of exactly what I'm describing. I'm sure he will be glad to make you any Teflon flexible line you might want for a reasonable price.