Mercury Marauder Engine Valve Spring Kit Replacement

High-Perf. Street Non-Rotator Seat Press. 120 lbs. Installed H 1.800in. Open Press. 310 lbs. at 0.580 in. OD 1.46 in. ID 1.06 in. Coil Bind 1.130in. For Use w/Cast Iron OE Cyl. Heads

High-Perf. Street Non-Rotator Seat Press. 132 lbs. Installed H 1.90 in. Open Pres. 312 lbs. at 0.500 in. OD 1.55 in. ID 1.12 in. Coil Bind 1.160in. For Use w/Edelbrock 60069/60079 Cyl. Heads

Non-Rotator Seat Press. 135 lbs. Installed H 1.975 in. Open Press. 320 lbs. at 0.500 in. OD 1.500 in. ID 0.805 in. Coil Bind 1.150 in. For Use w/ Edelbrock 60669/60679/61649 Cyl. Heads