PACKARD WIRE CO.FOR OVER 100 YEARS, MADE IN THE U.S.A.!!8mm H.E.I. BLACK UNIVERSAL Performance Spiral Core Spark Plug Wires cut to fit SMALL BLOCK BUICK 300-340-350, BIG BLOCK BUICK 400-430-455 and BUICK NAILHEAD 400-401-425!!NEW HI-PERFORMANCE BLACK 8mm HI-PERFORMANCE UNIVERAL SPIRAL CORE BLACK SPARK PLUG WIRES!! * MADE IN USA*This listing includes a set of High Performance 8mm Black Spiral Core Spark Plug Wires made in the USA by Packard Wire Co. These wires have straight spark plug boots which is perfect for the Buick engines. The wires are long so you can route the the wires the way you want them and then cut and crimp on the 90 degree distributor ends & Boots. The coil wire, distributor ends & boots are included.These wires will work on BUICK Engines 300-340-350-400-401-425-430-455 with an HEI (male cap) distributor. These wires will also work on any other vehicles that can use a STRAIGHT Spark plug Boot and has a HEI (male cap) distributor. These wires are long and you cut to the length you want and crimp on the distributor end. The length of the wires (not including the boots) are 1 @ 32″, 1 @ 34″, 2 @ 36″, 1 @ 44″, 1 @ 50″ & 2 @ 54″. The set also includes a 25″ coil wire.This set includes the 8 Spark plug wires, a coil wire (for those who are using an external coil) the HEI distributor ends & boots and both male and female ends & boots for the coil wire. IF YOU NEED THESE WIRES FOR A FEMALE CAP (POINTS CAP), YOU CAN ORDER THIS SET AND THEN EMAIL US THAT YOU NEED THE DISTRIBUTOR ENDS FOR A FEMALE/POINTS CAP!With only 270 ohms per foot, these high performance wires are an industry leader!! The less ohms, the less resistance!! MADE IN THE USA!!These wires are BLACK !! They are also available in BLUE or RED …check out my other listings.