Ford SB 289 302 351 Windsor Nostalgic Finned Aluminum Valve Covers Tall w/Hole or better known to mechanics

or better known to mechanics as the IAC

horse power increase of 10-15

choose a Speedmaster distributor cap

using an O-ring to prevent leakage

so it is not necessary to change to a 10 degree retainer

Ford SB 289 302 351 Windsor Nostalgic Finned Aluminum Valve Covers Tall w/Hole or better known to mechanicsDo you want to finish off your engine in style? Try a set of these Speedmaster finned aluminum valve covers. They are manufactured from cast aluminum and have a polished finish. Speedmaster finned aluminum valve covers feature a classic raised, finned design that adds a unique look to your engine. If you don't want any breather holes drilled, no problem they are offered with breather holes or without any holes. Speedmaster finned aluminum valve covers