Moroso Throttle Return Spring Kit - Holley 4500 - Carb Mount BR40071 1963-1974 Buick Riviera

1963-1974 Buick Riviera

5/8 in Rim Hole

Perfect for harsh off road environments

Chevrolet Small Block 400

Moroso Throttle Return Spring Kit - Holley 4500 - Carb Mount BR40071 1963-1974 Buick RivieraClears most air cleaner combinations and can be used with dual carbs Made from sturdy 14 gauge steel and finished in hand polished chrome Kit includes heavy and light sets of stainless steel return springs, all mounting hardware, and complete installation instructions Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products,