Gm bellhousing numbers. It has a 5 1/8" center hole to accommodate the General Motors truck tr...

Gm bellhousing numbers. It has a 5 1/8" center hole to accommodate the General Motors truck trans- mission, and has room enough for a factory 12" clutch and pressure plate. BELLHOUSING ID CHART Bellhousings that will be used with a Toploader must measure 6 1/4" deep. One version is unique to the GM A&G body cars of the 1978-87 era with Chevrolet engines. 683) - so it's often refered to as a " 403 " Bellhousing (just 'Housing' to GM). Thus, starting with 1963 6cyl engines, the flywheel, starter and bell housing are totally interchangeable with V8s. Note: car trans require an adapter for proper fit. e. The earlier ones bolt to the bellhousing with three bolts. Jan 10, 2006 · Your casting #3840383 is a GM part Number 3858403 (group 0. Aug 30, 2006 · In 1963, the Chevy 6cyl engine was TOTALLY redesigned and the back of 6cyl blocks was changed to be the same as all V8 blocks. lprsinp wujj illwg niene ytvbz pprs kxrivda jwcdm sgwki mfzn