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Triumph Pre-Unit and Unit 650 750 BSA 500 650 Twins Sludge Trap Tube PN# 70-3903 E3903 68-0185

$15.12

Availability: In stock

SKU: 633726140875 Categories: , Tags: , , Brands:

1960-1982 Triumph 650 and twin models. 1966-1972 BSA 500 and 650 twin models.

The oil tube (sludge trap tube) is important as it filters out large particulates from passing through the big-end journals and subsequently damaging the rod bearings.

The oil tube is a steel sleeve that is flared on one end with holes drilled for oil distribution to the crankshaft journals. The tube is retained by a pointed flywheel bolt. Made in the UK.

The oil tube is inserted into the sludge trap of the crankshaft and aligned with a special pointed flywheel bolt. The sludge trap is sealed by a plug once the tube is fitted into the cavity.

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