Like all of GM's other A-Body vehicles, the Lemans got a fresh makeover in 1968 that carried through 1972. Along the way its 350 cubic inch engine was bumped up to 330 hp while its 400 and 455 cubic inch siblings became optional powerplants even without the GTO nameplate.

ACCEL, Mallory, or MSD has a conversion kit perfect for your exact application, whatever you're upgrading from – from a high-maintenance points ignition to a breakerless system or a worn-out module to a brand-new Replacement E-Spark module,