Locked-out from the factory. Must be used with an MSD 6, 7 or 8-series ignition. 1971-ford-ranchero-esi8765833 Spark Plug Wire Set -

Spark Plug Wire Set - Spiro-Pro - Spiral Core - 8 mm - Blue - 90 Degree Plug Boots - HEI Style Terminal - Over Valve Cover - Small Block Chevy - Kit

160 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 14

600 in Body - Aluminum - Black Anodized - Set of 10

Rocker Arm Nut - 7/16-20 in Thread - Steel - Black Oxide - Stud Girdle - Each

Locked-out from the factory. Must be used with an MSD 6, 7 or 8-series ignition. 1971-ford-ranchero-esi8765833 Spark Plug Wire Set -Trigger signals are produced via a high output magnetic pick up. This pickup is extremely accurate and never requires adjustment. Since this distributor is designed primarily for race engines, an oversized (+. 006") bronze gear is installed along with an adjustable slip collar for modified blocks, heads or intake manifolds.