Pontiac 301 455 V8 Proform Freeze Plug / Welch Plug Kit # 66560 Rate_40 * Deep-skirt casting--the block's side

* Deep-skirt casting--the block's side extends below the crankshaft centerline

these engines are good for about 627 hp and 586 lbs

Notes:This is the black cap spacer for MSD Pro-Billet EFI Ford distributors 8451

The metric starter bolts for GM (General Motors) LS engines can be tough to find & there are two different styles of starters

G1000 Series: 1964 - 1966

Pontiac 301 455 V8 Proform Freeze Plug / Welch Plug Kit # 66560 Rate_40 * Deep-skirt casting--the block's sideBrass Freeze Plug Kit Pontiac 301 455 V8 Engines 1963 1981 Features: for Pontiac V8 Engines All Sizes Needed Included PROFORM Parts Brand Product Sold as One Kit Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits. All necessary plugs are included for one complete engine block. Made in USA.