OTC 6488 Ford 4.0L SOHC V6 Camshaft Timing Tool Kit. Model/MPN: 6488. Genuine OTC professional camshaft and engine timing service tool set in excellent pre-owned/open box condition. Designed to maintain correct camshaft and crankshaft timing while servicing the timing chains, cylinder heads, head gaskets, or other valvetrain components on applicable Ford 4.0L SOHC V6 engines.