Conv Rear Spring 5in x 13in x 300 1973-buick-centurion-esi6613879 5 in Thick - 1

5 in Thick - 1 in Mandrel - Aluminum - Blue Anodized - Each This base is for 2bbl carbs with a 3 diameter neck

Coil-Over Shock Kit - Pro Coil - Twintube - Single Adjustable - 350 lb/in Spring Rate - Front - 1701-1800 lb - GM A-Body 1968-72 - Pair

Fitting - Adapter - Straight - 6 AN Male to 11/16-18 in Inverted Flare Male - Aluminum - Natural - Each

Carburetor Fuel Bowl - Ultra XP - Center Hung - Aluminum - Gray Anodized - Secondary - Holley 4150 / 4160 / 4500 Carburetors - Each

065 in Bore - Drop in - 1

Conv Rear Spring 5in x 13in x 300 1973-buick-centurion-esi6613879 5 in Thick - 1Coil Spring Conventional 5 in OD 13 in Length 300 lb in Spring Rate Rear Steel Black Powder Coat Each FITS 5 AND 5. 5 SPRINGS UP TO 850#