Holley Hi-Ram Lower Manifold - GM LS3/L92 20041010 1963-1985 Buick Riviera

1963-1985 Buick Riviera

Corner pieces are slid inside rear section and then welded or bolted to required width

Does Not Include Factory Manifold Downpipes or Header Reducer Cones

Mechanical Super Pumps have high speed

Nomex / Leather

Holley Hi-Ram Lower Manifold - GM LS3/L92 20041010 1963-1985 Buick RivieraPlenum Top Gasket Type 3 32" Round O ring Cord Mounting Flange Gasket Type Standard LS3 Molded O Ring Port Size 2. 49" Height x 1. 21" Wide Runner Length 6. 50", As Cast Runner Cross Sectional Area Tapered 4. 25" to 2. 77 inThese parts should be used for the following applications: Racing Performance Street Rodder where hood restrictions are NOT a consideration. Mounting Flange Gasket Type Standard LS3 Molded O Ring Port Size 2. 49" Height x 1. 21"