The BTR LS6 Beehive Valve Spring Set is a direct-fit, ovate beehive-style spring designed for LS6-style cylinder heads supporting up to .560 in of valve lift, cross-referencing the OEM LS6 valve spring (GM part # 12499224 or 12586484). Sold as a complete set of 16 springs, it pairs well with BTR's truck-series camshafts.
- Part Number: SP011-16
- Application: LS6-Style Cylinder Heads; Cross-Reference GM 12499224 / 12586484
- Max Valve Lift: .560 in
- Spring Type: Ovate Beehive, Single Spring
- Spring Rate: 330 lb/in
- Spring Pressure: 100 lb @ 1.800 in installed / 285 lb @ 1.240 in open
- Coil Bind Height: 1.150 in
- Outer Diameter: 1.248 in
- Pack Quantity: 16 (Full Engine Set)
FAQ
What is the maximum valve lift this spring supports?
The SP011-16 supports up to .560 in of valve lift.
How many springs are included?
This is a complete set of 16 springs, enough for a full engine.
What are the spring rate and coil bind specs?
The spring rate is 330 lb/in (100 lb @ 1.800 in installed, 285 lb @ 1.240 in open) with a 1.150 in coil bind height and 1.248 in outer diameter.
Can this spring be used with roller rockers?
BTR does not recommend single-wire beehive springs with roller rockers, since the added mass can reduce valvetrain stability, and a higher-ratio rocker may cause a coil-bind issue.
