Hi-Tech Racing Products LT-1/Z-28 Chev SB Valve Springs
Aircraft quality steel. Shot-peened heat set. Fits stock seat and retainer. Can not use with exhaust rotator on early heads. Excellent for hi-performance street applications. Sets of 16. Note: This is the valve spring other mail order companies call their .570 lift spring, but should be used for lifts up to .510 only.
Part Type: Valve Springs
Style: Hi-Tech Racing Products LT-1/Z-28 Chev SB Valve Springs
Type: Single with Damper
Damper Included: Yes
Outer Spring Out Side Diameter (O.D.): 1.250"
Outer Spring In Side Diameter (I.D.): .870"
Inner Spring Out Side Diameter (O.D.): NA
Inner Spring In Side Diameter (I.D.): NA
Seat Pressure: 120 @ 1.700"
Open Pressure: 300 @ 1.250"
Valve Spring Rate: 305
Maximum Suggested Lift: .510"
Coil Bind: 1.160"
Electro Polished: No
Nitrided: No
Suggested Steel Retainers: 3250, 3810
Suggested Titanium Retainers: 3350
Suggested Seat Cups: NA
Suggested Locators: NA
Manufacturer: Hi-Tech Racing Products
Manufacturer's Part Number: HTC2424
Packaged Weight: 3.0 lbs.
Warranty: Race Application, No warranty expressed or implied
Quantity: Sold in Sets of 16 | 
