This complete outer case cover socket-head screw set is suitable for fitment to the BSA 250 and 441 single-cylinder models, as well as the Triumph 250 singles from 1969-1970.
Offered in corrosion-resistant stainless steel, this complete set of screws is threaded to 1/4″-20 TPI UNC. Included are the 2BA points cover screws. Not suitable for fitment to 1968 and earlier models with BSF screws.
The socket heads are a convenient upgrade for routine clutch service and timing cover removal, providing a positive engagement with the Allen wrench used for loosening and tightening the screws. The bright stainless finish provides a durable and attractive upgrade from the original fillister head screws.
It is advisable to clean the threads in the crankcase with a tap to allow for best thread retention and an oil-tight seal between the primary chaincase cover and the chaincase. Thread-locking compound is not recommended for use on cover sccrews.
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