Allstar Performance Spring Pre-Loader - 3" - 10" Tall Spring 351012 The distributors come with either

The distributors come with either billet or new casting housings / centerless ground shafts / and caps and balanced GT SERIES DIRECTIONAL VANE ROTOR -s with brass contacts

8 AN / 10 AN Inlets

The Dirt Late Model cover has zippers to access the engine and driver compartment

1967-1974 Pontiac Firebird

Allstar Performance Spring Pre-Loader - 3" - 10" Tall Spring 351012 The distributors come with eitherPre loader allows use of a softer spring rate that is pre loaded at ride height. The pre loaded spring will have less rate increase as the suspension travels. For example, a 150 lb. in. spring can be preloaded to 400 lbs. at ride height, but still only increases at a rate of 150 lb. in. as suspension travels. The entire unit may also be exchanged with another unit with a different rate spring pre installed to allow spring rate changes without