McLeod 450360 - Fw Nod 86 To 92 1 Piece Rear Main Seal Chevy 153T External Bal

Make Chevrolet Engine 1986-1999 SBC Engine Balance External Flywheel Material Nodular Iron Ring Gear 153T Pressure Plate Pattern 10.5In. Borg & Beck NOTE: This is intended for a Externally balanced engine. If your engine is Internally balanced this flywheel will not work for your application. Please call McLeod Tech for more info at 714-630-2764. NOTE 2 CENTERBORE/CRANK BOSS: Because of standard variances in OEM and Aftermarket manufacturing tolerances, the flywheel to crankshaft boss fit may have variations from slip-fit to slight interference. Interference at the crankshaft “boss” can be corrected by heating the flywheel to temporarily to expand the center bore for correct mounting. Caution, flywheel will be hot, handle with care.