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NEW SWS CHEVY ALUMINUM BELLHOUSING, FLYWHEEL INSPECTION COVER, CLUTCH FORK BOOT & CLUTCH PIVOT BALL, GM 621 3899621 REPLACEMENT FOR SBC & BBC FOR 11″ MANUAL CLUTCH APPLICATIONS

Brand New Southwest Speed Aluminum Bellhousing Kit for 11″ Clutches with Manual Transmissions that includes a replica GM 3899621 Bellhousing, Flywheel Inspection Cover, Clutch Fork Pivot Ball, and Clutch Fork Dust Boot. (SWS Part # 650-3975, 650-3968, 650-4018, and 650-3952).
This Southwest Speed 11″ Performance Cast Aluminum Bellhousing is a reproduction of the original 3899621 bellhousing used on GM models with Big Block and Small Block engines equipped with an 11″ clutch. This performance aluminum bellhousing does not have the GM Part # 3899621 casting number but will look, fit, and perform just like original. If you are doing a restoration of an early muscle car, or just want the correct bellhousing to finish that rod project, this bellhousing is the perfect part!
Kit Includes: | * Southwest Speed Cast Aluminum Performance Bellhousing (# 650-3975) | * Replaces GM Part # 3899621 | * Cast Aluminum Housing | * Works with GM transmissions with a 4.675″ O.D. Bearing Retainer | * Clears 168 tooth 14″ Flywheels with factory 11″ clutch discs | * 1/2″-13 tapped hole for z-bar manual clutch linkage, if needed. | * Fits ALL Small Block and Big Block Chevrolet engines regardless of factory clutch size | * Southwest Speed Flywheel Inspection Cover (# 650-3968) | * Replaces GM Part # 3843943 | * Includes 1/4″ bolts to install inspection shield | * Exact Replica of the Original | * Southwest Speed Standard Clutch Fork Pivot Ball (# 650-4018) | * Replaces GM Part # 3729000 | * Installs into bellhousing to support clutch fork | * 13/16″-16 Threads, 1 1/2″ total length end to end | * Southwest Speed Clutch Fork Boot (# 650-3952) | * Replaces GM Part # 3993851 | * Exact Replica of the original | * Molded from E.P.D.M rubber for a snug fit that will last for years

Usually ships in 1-2 business days

  • This performance aluminum bellhousing does now not have the GM Part # 3899621 casting number but will look, fit, and perform similar to original.
  • If you might be doing a restoration of an early muscle car, or simply want the right kind bellhousing to complete that rod project, this bellhousing is the very best part!

Kit Includes:

    Southwest Speed Cast Aluminum Performance Bellhousing (# 650-3975)

    • Replaces GM Part # 3899621
    • Cast Aluminum Housing
    • Works with GM transmissions with a 4.675″ O.D. Bearing Retainer
    • Clears 168 tooth 14″ Flywheels with factory 11″ Grasp discs
    • 1/2″-13 tapped hole for z-bar manual Grasp linkage, if needed.
    • Fits ALL Small Block and Big Block Chevrolet engines without reference to factory Grasp size

    Southwest Speed Flywheel Inspection Cover (# 650-3968)

    • Replaces GM Part # 3843943
    • Includes 1/4″ bolts to put in inspection shield
    • Exact Replica of the Original

    Southwest Speed Same old Grasp Fork Pivot Ball (# 650-4018)

    • Replaces GM Part # 3729000
    • Installs into bellhousing to fortify Grasp fork
    • 13/16″-16 Threads, 1 1/2″ total length end to finish

    Southwest Speed Grasp Fork Boot (# 650-3952)

    • Replaces GM Part # 3993851
    • Exact Replica of the unique
    • Molded from E.P.D.M rubber for a snug fit with a view to last for years

Fits:

  • 1964 – 1988 Chevy Chevelle, Malibu, Monte Carlo*
  • 1959 – 1987 Chevy El Camino*
  • 1959 – 1988 Chevy Impala, Caprice, Bel Air, Biscayne, Brookwood, Kingswood, Nomad, Sedan Delivery*
  • 1963 – 1981 Chevy Corvette*
  • 1967 – 1981 Chevy Camaro*
  • 1968 – 1974 Chevy II, Nova*
  • *With Manual Transmissions and 168 tooth Flywheel

Brand New Southwest Speed Aluminum Bellhousing Kit for 11″ Clutches with Manual Transmissions that features a replica GM 3899621 Bellhousing, Flywheel Inspection Cover, Grasp Fork Pivot Ball, and Grasp Fork Dust Boot. (SWS Part # 650-3975, 650-3968, 650-4018, and 650-3952).
This Southwest Speed 11″ Performance Cast Aluminum Bellhousing is a reproduction of the unique 3899621 bellhousing used on GM models with Big Block and Small Block engines equipped with an 11″ Grasp. This performance aluminum bellhousing does now not have the GM Part # 3899621 casting number but will look, fit, and perform similar to original. If you’re doing a restoration of an early muscle car, or simply want the right kind bellhousing to complete that rod project, this bellhousing is the very best part!
Kit Includes: | * Southwest Speed Cast Aluminum Performance Bellhousing (# 650-3975) | * Replaces GM Part # 3899621 | * Cast Aluminum Housing | * Works with GM transmissions with a 4.675″ O.D. Bearing Retainer | * Clears 168 tooth 14″ Flywheels with factory 11″ Grasp discs | * 1/2″-13 tapped hole for z-bar manual Grasp linkage, if needed. | * Fits ALL Small Block and Big Block Chevrolet engines without reference to factory Grasp size | * Southwest Speed Flywheel Inspection Cover (# 650-3968) | * Replaces GM Part # 3843943 | * Includes 1/4″ bolts to put in inspection shield | * Exact Replica of the Original | * Southwest Speed Same old Grasp Fork Pivot Ball (# 650-4018) | * Replaces GM Part # 3729000 | * Installs into bellhousing to fortify Grasp fork | * 13/16″-16 Threads, 1 1/2″ total length end to finish | * Southwest Speed Grasp Fork Boot (# 650-3952) | * Replaces GM Part # 3993851 | * Exact Replica of the unique | * Molded from E.P.D.M rubber for a snug fit with a view to last for years
Fits: | * 1964 – 1988 Chevy Chevelle, Malibu, Monte Carlo* | * 1959 – 1987 Chevy El Camino* | * 1959 – 1988 Chevy Impala, Caprice, Bel Air, Biscayne, Brookwood, Kingswood, Nomad, Sedan Delivery* | * 1963 – 1981 Chevy Corvette* | * 1967 – 1981 Chevy Camaro* | * 1968 – 1974 Chevy II, Nova* | **With Manual Transmissions and 168 tooth Flywheel
The bellhousing was once used with 4 speed transmissions in 66-72 Chevelle, 66-81 Corvette, 67-72 Camaro, 68-72 Nova, and 64-81 Impala, but with any GM transmission that measures 4.675″ and an 11″ Grasp, it’ll fit great in all the additional applications shown above, in addition to many several types of projects. This may make it a snap to get that gigantic GM bellhousing on your muscle car or rod project. This new Chevy high performance 11″ style aluminum bellhousing was once issued on Camaros, Chevelles, Impalas, Corvettes and Nova’s with big block 396, 427, and 454 engines, in addition to Yenko, Copo, and ZL1 and likewise small blocks like 302, 327, 350 and 400 with the 168 tooth, 14″ flywheels and 11″ clutches, including Z28, Yenko, and Deuce models. Will settle for your original Muncie or Saginaw Manual Transmission with a 4.675″ O.D. bearing retainer. Can even work with the Tremec 5 and 6 Speed Transmissions. You’ll use one of the most new bolt-in Classic Car Conversion Transmissions and still use all the Stock 4 Speed Pedals and Rods with this bellhousing.

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