A.A A.A Tune-Up Kit Distributor Cap Rotor for MerCruiser 4.3L V6 Thunderbolt IV, V, HEI Ignition Systems 18-5274, 815407Q5

description About this item The distributor cap and rotor meets or exceeds factory specifications and is a direct replacement Replaces Part #: 815407Q5, 815407A2, 18-5274, 9-29317 Fits: All GM 4.3L V6 engines with Thunderbolt Ignition from 1985 and Up See more product details