LUNATI BEEHIve VALve SPRING KIT 313LBS/IN LT74818K1 RETAINERS & LOCKS INC.
Product Information
LUNATI BEEHIVE VALVE SPRING KIT 313LBS/IN LT74818K1 RETAINERS & LOCKS INC. Lunati Signature Series valve spring and retainer kits are stronger so you can push harder longer. Their Signature kits include valve springs made from super-clean chrome silicon alloy materials and then micro-peened for added strength, efficiency, and durability. The valve springs are matched with precision-manufactured and black oxide coated chromoly retainers, as well as valve locks made from fatigue-proof steel. For extreme stress applications, like drag and oval track racing, fit your valvetrain with Lunati Signature Series valve spring and retainer kits. Specs: Number of Springs Per Valve: Single
Outside Diameter of Outer Spring (in): 1.055 in./1.290 in.
Damper Spring Included: No
Installed Height (in): 1.800 in.
Seat Pressure at Installed Height (lbs): 130 lbs.
Open Height (in): 1.200 in.
Open Pressure (lbs): 318 lbs.
Inside Diameter of Outer Spring (in): 0.650 in./0.885 in.
Valve Spring Style: Ovate beehive
Coated: No
Retainers Included: Yes
Retainer Material: Chromoly steel
Locks Included: Yes
Lock Style: 7 degree
Lock Groove Quantity: 1-groove
Lock Material: Hardened steel
Quantity: Sold as a kit.
Notes: Fits 8mm valve stems.
Outside Diameter of Outer Spring (in): 1.055 in./1.290 in.
Damper Spring Included: No
Installed Height (in): 1.800 in.
Seat Pressure at Installed Height (lbs): 130 lbs.
Open Height (in): 1.200 in.
Open Pressure (lbs): 318 lbs.
Inside Diameter of Outer Spring (in): 0.650 in./0.885 in.
Valve Spring Style: Ovate beehive
Coated: No
Retainers Included: Yes
Retainer Material: Chromoly steel
Locks Included: Yes
Lock Style: 7 degree
Lock Groove Quantity: 1-groove
Lock Material: Hardened steel
Quantity: Sold as a kit.
Notes: Fits 8mm valve stems.

Product Information
LUNATI BEEHIVE VALVE SPRING KIT 313LBS/IN LT74818K1 RETAINERS & LOCKS INC. Lunati Signature Series valve spring and retainer kits are stronger so you can push harder longer. Their Signature kits include valve springs made from super-clean chrome silicon alloy materials and then micro-peened for added strength, efficiency, and durability. The valve springs are matched with precision-manufactured and black oxide coated chromoly retainers, as well as valve locks made from fatigue-proof steel. For extreme stress applications, like drag and oval track racing, fit your valvetrain with Lunati Signature Series valve spring and retainer kits. Specs: Number of Springs Per Valve: SingleOutside Diameter of Outer Spring (in): 1.055 in./1.290 in.
Damper Spring Included: No
Installed Height (in): 1.800 in.
Seat Pressure at Installed Height (lbs): 130 lbs.
Open Height (in): 1.200 in.
Open Pressure (lbs): 318 lbs.
Inside Diameter of Outer Spring (in): 0.650 in./0.885 in.
Valve Spring Style: Ovate beehive
Coated: No
Retainers Included: Yes
Retainer Material: Chromoly steel
Locks Included: Yes
Lock Style: 7 degree
Lock Groove Quantity: 1-groove
Lock Material: Hardened steel
Quantity: Sold as a kit.
Notes: Fits 8mm valve stems.