Detroit Diesel 11.1L & 12.7L Series 60 Engine Inframe-Overhaul Rebuild Kit, Cylinder Kit 23532591

Fits pre-1991 Detroit Diesel 11.1L & 12.7L Series 60 Engines with Serial Number before 06R028698.
This engine uses early-style, non-articulated, steel pistons, which bolt to the connecting rod.
Cylinder Kit 23532591 will contain: 23519635 piston kit (15:1 CR, Large OD Dome Piston), 23532468 Non-TLC (Top Liner Cooled) liner kit, 23505729 rings (3.50mm top ring). Replaces 23519637
Heavy Duty Pros recommends use of our Premium Engine Kit for this application, as new head bolts and cam bearings are generally required during all rebuilds of the Series 60 platform. 
Basic Inframe Kit Includes (6) Cylinder Kits (Piston with pin & locks, Piston Rings, Cylinder Liner, Liner Seals) (6) Rod Bearings (1) Main Bearing Set (1) Upper Gasket Set - Please See Note below regarding Rocker Cover Gasket (1) Oil Pan Gasket
Premium Inframe Kit Includes (6) Cylinder Kits (Piston with pin & locks, Piston Rings, Cylinder Liner, Liner Seals) (6) Rod Bearings (1) Main Bearing Set (7) Cam Bearings (38) Head Bolts (1) Upper Gasket Set - Please See Note below regarding Rocker Cover Gasket (1) Oil Pan Gasket (1) Injector Installation Seal Kit
Basic Overhaul Engine Kit Includes (6) Cylinder Kits (Piston with pin & locks, Piston Rings, Cylinder Liner, Liner Seals) (6) Rod Bearings (1) Main Bearing Set (1) Upper Gasket Set - Please See Note below regarding Rocker Cover Gasket (1) Complete Lower Gasket Set (crankshaft seals sold separately - see related products below)
Premium Overhaul Engine Kit Includes (6) Cylinder Kits (Piston with pin & locks, Piston Rings, Cylinder Liner, Liner Seals) (6) Rod Bearings (1) Main Bearing Set (7) Cam Bearings (38) Head Bolts (1) Upper Gasket Set - Please See Note below regarding Rocker Cover Gasket (1) Complete Lower Gasket Set (crankshaft seals sold separately - see related products below) (1) Injector Installation Seal Kit
*Due to a variation in the rocker covers that were used on this model engine, no rocker cover gasket will be included with the engine kit. If you need assistance determining which gasket your engine calls for, please contact us for assistance.