Howards Single Spring/Damper Valve Spring Kit - 348 lb/in Rate - 1.150" Coil Bind - 1.514" OD - Steel Cups/Locks/Retainers Underwear Top 1973 Mercury Cougar Base CID

1973 Mercury Cougar Base CID 351 Naturally Aspirated GAS

Mechanical Bond Between Layers

11 x 4 in Round Body

Flexible - Inlet & Outlet Can Be On Either Side of the Engine

The logo will be upside down on the 6

Howards Single Spring/Damper Valve Spring Kit - 348 lb/in Rate - 1.150" Coil Bind - 1.514" OD - Steel Cups/Locks/Retainers Underwear Top 1973 Mercury Cougar Base CIDProduct Description: Valve Spring Kit Dual Spring Damper 348 lb in Rate 1. 150 in Coil Bind 1. 514 in OD Locks Chromoly Retainers The name Howards Cams has been synonymous with high performance camshafts since the 1950s. Howards Cams have always used on track experience to design the most powerful designs. This includes early Top Fuel favorites driven by Jack Chrisman and Larry Dixon Sr. Today we have even a greater group of experienced racers in