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Timing chain kit

duplex - adjustable type for accurate valve timing

Triumph TR2 to TR4A (1953-67)

Timing chain kits are an upgrade on our premium timing sets. Because the vernier camshaft sprocket is produced in two parts it allows the outer sprocket section to move separately and independently to the inner hub by way of elongated slots, allowing infinite adjustment to cam timing just by positioning the camshaft to the required degrees then locking the socket head screws around the perimeter which clamps the entire unit together as one solid cam sprocket