There are many resources on the Internet that relate to component cars. We can't possibly list them all, but here is a list of some of the more relevant ones. We don't warrant anything here, and we get no financial benefit from listing these beyond the convenience of our customers.
Magazines and lists
KitCars.com, a kind of classified site for kit cars in general.
UK Kit car magazine.
KitCar List an internet list of kit car manufacturers
RBT Transmissions supply most of the ZF-specific transaxles for mid-engined kit cars.
Griffin Transaxles, soon to be another supplier of transaxles for the mid-engined cars.
Rancho Transaxles sells a wide line of transaxles from Weddle, Mendeola and Albins.
Katech is famous for building the engines for the Corvette GT1 program that won at Le Mans, as well as the current LMPC cars running in IMSA
Summit is a big source of crate engines.
Jegs also sells the same range as Summit, usually.
Lingenfelter has merged with Thomson Automotive, and is well-regarded for GM engines
Roush is a renowned builder of engines, particularly Ford engines, which are ideal for the Superlite GT-R.
Pro-formance sells custom-built crate engines.
Superlite SL-C running in the half-mile
Obligatory video of hot girl in SL-C
Gearhead Daily series on building his SL-C
Allan U's series of videos, including many on the build process
A video about one SL-C builder's selection of a portable lift
PowerNation video of Bill Phillips' build
Many, many more Superlite SL-C videos on Youtube