MCS, Blue Lightning air filter element - 86-89 B.T.(NU) with round air cleaner 978034 Easy to bolt on and

Easy to bolt on and easy to tune via threaded preload adjusters

Sold in pairs with top clamp and 4 ARP Hardware included 5/16-18 x 1"

Dual ring end caps

Replaces OEM #s 39968-06 and 39969-06

10mm / 3/8" countersunk mounting holes

MCS, Blue Lightning air filter element - 86-89 B.T.(NU) with round air cleaner 978034 Easy to bolt on andEconomically priced but high end quality and offering superior flow, longer service intervals, better flame resistance and will last much longer than comparable foam or paper type filters. Filter elements are constructed with 4 layers of ribbed pre oiled cotton filtering media. This will maximize air flow but still provide adequate filtering capacity, equalling the best performance filters on the market. Very durable through the use of coated wiring