MSD Spark Plug Wire Set 31359; Super Conductor 8.5mm Red 90¡ HEI for Chevy SBC tire-accessories For improved lubrication there is

For improved lubrication there is an extra oil tract machined into the bottom of the housing that delivers oil directly to the cam and distributor gears

4L V8 1970 - 1971 GMC P25/P2500 Van 454/7

4 V8 1982 - 1991 GMC C3500 350/5

Also Fits 03-04 Chevrolet Avalanche 1500

7L V8 1988 - 1995 GMC C3500 350/5

MSD Spark Plug Wire Set 31359; Super Conductor 8.5mm Red 90¡ HEI for Chevy SBC tire-accessories For improved lubrication there isOverview: Engineered from the inside out, the 8. 5 offers everything you have ever wanted in a wire; incredibly low resistance without electronic interference! In a single 12 inch length of Super Conductor Wire there is only 40 50 ohms of resistance! That is the lowest resistance of any helically wound wire. To accomplish this, we use a copper alloy conductor due to it's great voltage carrying capabilities. The low resistance results in less loss in