LS/LT Complete Accessory Drive Kit - 20-137 hoods the factory ECU is incapable

the factory ECU is incapable of controlling the new setup without significant modification

Aluminum construction with Hard Core Gray (black anodized) finish

1969-1970 Ford F-100 5

Mazda B Series

LS/LT Complete Accessory Drive Kit - 20-137 hoods the factory ECU is incapableOverview: Now available from Holley are complete kits that have everything needed for the application including the belt. Included are accessories, pulleys, tensioner, and belt that are manufactured by OE part suppliers many of which are on production cars today. Replacement hardware kit is 97 171 Features: INCLUDES THE FOLLOWING ITEMS Ideal for crate engines, take out motors and engine builders OEM spec flanged head hardware included to match your