Hex Head Adjustment Nuts - 8 Nuts / Pack
Model 1160 - Oldsmobile 350-455 - Fits ALL STOCK Heads thru 1976 (SAVE 20% On Adjustment Nuts When Bundling)
Model 1163 - Oldsmobile 350-455 - Fits EDELBROCK ALUMINUM Heads (SAVE 20% On Adjustment Nuts When Bundling)
Model 1164 -Oldsmobile 350-455 - Fits MONDELLO / KNOWLTON ALUMINUM Heads (SAVE 20% On Adjustment Nuts When Bundling)
