Check the listing for details. Genuine Dual *In-line* mounted Carb Linkage supercharger Blower 6-71 8-71. Condition: New. Listed at 159.99 USD. New Enderle Dual in-line mounted (Edelbrock/Carter type carbs) carb linkage system for roots-type blower/supercharger (e.g., 6-71 8-71). Also, customers have installed the 55-501 kit with the Dual Holley Sniper (2x4) set-up roots blower applications. This new-in-the-box system by Enderle features aircraft quality by utilizing serrated stainless steel shafts and serrated black coated arms. This serrated design insures that the linkages will not slip. All moving parts ride on needle bearings or spherical rod ends. All mounting brackets are anodized billet aluminum. The turnbuckles feature RH and LH ends for easy adjustments. Here is your chance to get a trick system at reasonable price. Designed to work with Roots type blower (6-71, 8-71, etc), will not work with B&M or other 420 or 250 blowers.