Holley Fuel Line 34-51 | The world famous Holley Tri- Power Carburetor system is legendary in Chevrolet circles! They were the ultimate power statement when they came factory on cars like the 1967 427 Corvette. And, NOW you can have the same look on your SB Chevy! Perfect for muscle cars, street rods, classic hot rods, rat rods, trucks and more!