NEW SOUTHWEST SPEED TUBULAR TRANSMISSION CROSSMEMBER FOR 1955-1957 CHEVY WITH POWERGLIDE, TURBO TH 350, TH 400, 700R4, MUNCIE, SAGINAW, 3 & 4 SPEED, TRIM-TO-FIT TRANSMISSION MOUNT WITH HARDWARE, TRI-5, BEL AIR, 150, 210, NOMAD, SEDAN DELIVERY, DELRAY Brand New Southwest Speed Bolt-in Tubular Transmission Crossmember (SWS Part # 400-7084) | * This Southwest Speed Bolt-In Tubular Transmission Crossmember Is For Installing A Powerglide, TH350, TH400, Or 700R4 Automatic Transmission In A 1955, 1956, 1957 Chevrolet 150, 210, Delray, Bel Air, Sedan Delivery, And Nomad. | * Unfortunately, It Will Not Work With Any Of The Convertible Frames That Have The X-Braced Frame, That Encases The Drive Shaft This Is Extremely Helpful When You Are Trying To Install Newer Model Engine And Transmission Combinations In The 55-57 Chevy | * This Crossmember Moves The Rear Engine/Transmission Mounting Location From The Bottom Of The Bellhousing To The Tail Housing On The Transmission And Will Work With Either The Stock Rubber Or Urethane Tail Housing Mounts To Isolate Vibrations | * This Isn't A Universal Fit Unit | * This Is A Direct Bolt-In, Also Increases Exhaust Pipe Clearance In Critical Areas Features: | * Adjustable Mounting Brackets | * Made From Heavy Gauge Steel Tubing | * Includes All Hardware To Mount Crossmember | * Black Powder Coated To Resist Corrosion Crossmember Specs: Center Crossmember Overall Width 32" Crossmember Tube Outside Diameter: 1-1/2" | * Mounting Hardware Specs: | * Two Black Powder Coated Offset Frame Rail Mounting Brackets | * Two Bolts And Washers, Center Crossmember To Tail Housing Mount | * Four Self-Tapping Bolts, Offset Brackets To Frame Rails | * Four Long Mounting Bolts With Nuts And Washers, Crossmember To Offset Brackets Applications: | * 1955-1957 Bel Air | * 1955-1957 Chevy 150 | * 1955-1957 Chevy 210 | * 1955-1957 Chevy 210 Delray | * 1955-1957 Nomad | * 1955-1957 Sedan Delivery | **Note: Will Not Fit Convertible Frames With X-brace Encasing Drive Shaft**