BRAND NEW SOUTHWEST SPEED ALUMINUM BELLHOUSING KIT FOR USE WITH 10 1/2" CLUTCHES WITH MANUAL TRANSMISSION. THE KIT INCLUDES A FACTORY REPRODUCTION GM 3858403 STAMPED BELLHOUSING, FLYWHEEL INSPECTION COVER, CLUTCH FORK BOOT, AND CLUTCH FORK PIVOT BALL. THIS SOUTHWEST SPEED 10 1/2" PERFORMANCE CAST ALUMINUM BELLHOUSING IS A REPRODUCTION OF THE ORIGINAL 3858403 BELLHOUSING USED ON GM MODELS WITH BIG BLOCK & SMALL BLOCK ENGINES EQUIPPED WITH AN 10 1/2" CLUTCH. THIS PERFORMANCE ALUMINUM BELLHOUSING HAS THE GM PART # 3858403 CASTING NUMBER STAMPED ON THE OUTSIDE OF THE BELLHOUSING JUST LIKE THE ORIGINAL. IF YOU ARE DOING A RESTORATION OF AN EARLY MUSCLE CAR, OR JUST WANT THE ORIGINAL 403 BELLHOUSING TO FINISH THAT ROD PROJECT, THIS BELLHOUSING IS THE PERFECT PART!KIT INCLUDES: SOUTHWEST SPEED CAST ALUMINUM PERFORMANCE BELLHOUSING (#650-3973) FACTORY REPRODUCTION 3858403 BELLHOUSING FITS 10 1/2" CLUTCHES 3858403 STAMPED ON BELLHOUSING CAST ALUMINUM HOUSING WORKS WITH GM TRANSMISSIONS WITH A 4.675" O.D. BEARING RETAINER 1/2"-13 TAPPED HOLE FOR Z-BAR MANUAL CLUTCH LINKAGE, IF NEEDED. FITS ALL SMALL BLOCK & BIG BLOCK CHEVROLET ENGINES REGARDLESS OF FACTORY CLUTCH SIZE SOUTHWEST SPEED BELLHOUSING INSPECTION COVER (#650-3966) REPLACES GM PART # 354497 INCLUDES 1/4" BOLTS TO INSTALL INSPECTION SHIELD EXACT REPLICA OF THE ORIGINAL 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 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 APPLICATIONS: 1964-1973 BISCAYNE, & BEL AIR* 1964-1981 CAMARO* 1966-1979 CAPRICE* 1963-1969 CORVETTE* 1964-1975 CHEVY II & NOVA* 1976-1977 MALIBU* 1965-1969 CHEVELLE* 1964-1979 IMPALA* WITH MANUAL TRANSMISSIONS, & 153 TOOTH FLYWHEEL* THE BELLHOUSING WAS USED WITH 4 SPEED TRANSMISSIONS IN 64-81 CAMARO, 63-69 CORVETTE, 64-75 CHEVY II & NOVA, 76-77 MALIBU, 65-69 CHEVELLE, 64-79 IMPALA, 66-79 CAPRICE, 64-72 BISCAYNE, & 64-73 BEL AIR, BUT WILL WORK IN ANY GM TRANSMISSION THAT THE FRONT BEARING MEASURES 4.675" AND USES A 10 1/2" CLUTCH. IT WILL FIT GREAT IN ALL OF THE ADDITIONAL APPLICATIONS SHOWN ABOVE, AS WELL AS MANY DIFFERENT TYPES OF PROJECTS. THIS WILL MAKE IT A SNAP TO GET THAT 10 1/2" GM BELLHOUSING IN YOUR MUSCLE CAR OR ROD PROJECT. THIS NEW CHEVY HIGH PERFORMANCE 10 1/2" STYLE ALUMINUM BELLHOUSING WAS ISSUED ON CAMAROS, CHEVELLES, IMPALAS, CORVETTES & NOVAS WITH BIG BLOCK 396, 427, ALSO SMALL BLOCKS LIKE 230, 250, 283, 302, 327, & 350 WITH THE 153 TOOTH, 12 3/4" FLYWHEELS AND 10 1/2" CLUTCHES. WILL ACCEPT YOUR ORIGINAL MUNCIE, SAGINAW, & T-10 MANUAL TRANSMISSION WITH A 4.675" O.D. BEARING RETAINER. YOU CAN USE ONE OF THE NEW BOLT-IN CLASSIC CAR CONVERSION TRANSMISSIONS AND STILL USE ALL OF THE STOCK 4 SPEED PEDALS AND RODS WITH THIS BELLHOUSING. IF YOUR APPLICATION REQUIRES A 1 3/4" CLUTCH BALL INSTEAD, OF THE INCLUDED 1 1/2" BALL, LET US KNOW AND WE CAN SWITCH THEM OUT AT NO EXTRA CHARGE. CLICK HERE TO VIEW THE 1 3/4" PIVOT BALL. WILL NOT WORK ON 1963 & EARLIER CORVETTES, AS THE SIZE OF THE FRONT BEARING RETAINER IS SMALLER. WILL NOT WORK ON 1977-1978 MALIBUS, BECAUSE OF THE ANGLE OF THE CLUTCH FORK.