A-VTK414-AI Valve Train Kit, T4.236One New Aftermarket Replacement Valve Train Kit for Perkins T4. 236 Turbo Diesel Engine This aftermarket valve train kit is designed for cylinder head rebuilding on the Perkins T4. 236 turbocharged diesel engine. The kit contains the key valvetrain components needed to overhaul the cylinder head, including intake valves, exhaust valves, valve guides, valve springs, and valve keepers locks. The Perkins T4. 236 (LJ designation) is a 4 cylinder, 236