Intake Valves
Part Number Diameter Grooves Comments
  1.72" 2 Gen. I - Standard production
14025571 1.84" 2 Gen I - 305 HO
14025572 1.94" 2 Standard production
3849814 2.02" 2 Swirl polished
12555331 2.00" 1 1996 Gen. II - 350 LT4
366285 2.05" 1 Swirl polished - Flat face - 10 backcut - stainless steel
12363755 1.94" 1 Swirl polished - Stainless steel - undercut chromed stem - hardened stem tips
12363757 2.00" 1 Swirl polished - Stainless steel - undercut chromed stem - hardened stem tips
12369753 2.02" 1 Swirl polished - Stainless steel - undercut chromed stem - hardened stem tips
Exhaust Valves
Part Number Diameter Grooves Comments
10088106 1.50" 2 Gen. I - Standard production
12551313 1.55" 1 1996 Gen. II - 350 LT4
3849818 1.60" 2 Swirl polished - aluminium faced
12363756 1.50" 1 Swirl polished - Stainless steel - undercut chromed stem - hardened tips - tapered stem
12363758 1.55" 1 Swirl polished - Stainless steel - undercut chromed stem - hardened tips - tapered stem
12363754 1.60" 1 Swirl polished - Stainless steel - undercut chromed stem - hardened tips - tapered stem

Tommy Ledberg