All-in-one Howards Cams 98438-k12 Dual Valve Spring Kit Bundle [M6Lj8b1k]

Howards Cams designed this 98438-K12 Dual Valve Spring Kit for hydraulic flat tappet cams. This kit includes valve springs, chromoly retainers, seals, seats as well as alloy steel locks.

With a .690" maximum lift, the springs work great for high performance street in addition to drag strip applications.

Choosing the correct valve spring allows your engine to reach its full potential in addition to minimizing wear and tear on your valvetrain.

Howards research and development engineers constantly update materials as well as manufacturing techniques to provide the best possible valve springs. These springs are coiled as well as heat-treated in the finest facilities available. Each spring is coiled, stress relieved, deburred, shot-peened as well as heat treated for years of high-performance service.

All-in-one Howards Cams 98438-k12 Dual Valve Spring Kit Bundle [M6Lj8b1k] Specs:

• Kit includes 98438 Valve Springs, 97128 Steel Retainers, as well as 93017 Valve Locks
• Number of Springs Per Valve: Dual
• Valve Spring Style: Standard
  
• Maximum Valve Lift: 0.690 in.
• Coil Bind Height: 0.950 in.
• Outside Diameter of Outer Spring: 1.465 in.
• Inner Diameter of Outer Spring: 1.091 in.
• Inner Spring Outside Diameter: 1.090 in.
• Inner Spring Inside Diameter: 0.807 in.
• Spring Rate: 425 lbs./in
• Spring Seats Included: Yes.
• Closed Pressure: 122 lbs. @ 1.650
• Open Pressure: 353 lbs. @ 1.100
• Damper Spring Included: No
• Retainers Included: Yes
• Retainer Material: Chromoly Steel
• Valve Springs Coated: No
• Valve Stem Seals Included: No
  
• Valve Stem Diameter: 0.344 in.
• Locks Included: Yes
• Lock Material: Alloy Steel
• Lock Groove Quantity: 1-groove
• Lock Style: 10 degree

Howards Cams Valve Spring Kits – The Ultimate In Performance without reservation!