Designed exclusively for GM LS engines, kits are for use with hydraulic roller or some solid roller camshafts, and includes a carefully selected set of performance valve springs, retainers, locks, seals, and spring seats.
- Valve Spring Style:
- Standard
- Number of Springs Per Valve:
- Dual
- O.D. Outer Spring (in.):
- 1.320 in.
- Coil Bind Height (in.):
- 1.100 in.
- Damper Spring Included:
- No
- Spring Rate (lbs/in.):
- 505 lbs./in.
- I.D. of Outer Spring (in.):
- N/A
- I.D. of Inner Spring (in.):
- 0.654 in.
- Valve Springs Coated:
- No
- Maximum Valve Lift (in.):
- 0.675 in.
- Retainers Included:
- Yes
- Retainer Material:
- Tool steel
- Locks Included:
- Yes
- Lock Material:
- Steel
- Valve Stem Seals Included:
- Yes
- Installed Height:
- 129 lbs. @ 1.835 in.
- Open Height:
- 470 lbs. @ 1.160 in.
- Lock Groove Quantity:
- 1-groove
- Lock Style:
- 7 degree
- Valve Stem Diameter (in.):
- 0.315 in.
- Valve Stem Diameter (mm):
- 8.00mm
- Quantity:
- Sold as a kit.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Engine Sizes:
- 4.8L/294-6.2L/376
- Years:
- 1999-2019
