Home / Trick Flow Specialties TFS-2500286P Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits
  • Trick Flow Specialties TFS-2500286P Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits - Zander Auto Parts
  • Trick Flow Specialties TFS-2500286P Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits - Zander Auto Parts
  • Trick Flow Specialties TFS-2500286P Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits - Zander Auto Parts
  • Trick Flow Specialties TFS-2500286P Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits - Zander Auto Parts

Trick Flow Specialties TFS-2500286P Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits

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  • Detail
    Brand: Trick Flow Specialties
    Manufacturer's Part Number: TFS-2500286P
    Part Type: Valve Springs
    Product Line: Trick Flow® Double Platinum .660 LS Dual Valve Spring and Retainer Kits
    Summit Racing Part Number: TFS-2500286P
    UPC: 842645121241
    Valve Spring Style: Standard
    Number of Springs Per Valve: Dual
    Retainers Included: Yes
    Retainer Material: Chromoly steel
    Outside Diameter of Outer Spring (in.): 1.304 in.
    Coil Bind Height (in.): 1.015 in.
    Damper Spring Included: No
    Spring Rate (lbs./in.): 392 lbs./in.
    Inside Diameter of Outer Spring (in.): 0.950 in.
    Inside Diameter of Inner Spring (in.): 0.694 in.
    Locks Included: Yes
    Lock Material: Steel
    Lock Groove Quantity: 1-groove
    Lock Style: 7 degree
    Valve Stem Seals Included: Yes
    Valve Springs Coated: No
    Valve Stem Diameter (in.): 0.315 in.
    Valve Stem Diameter (mm): 8.00mm
    Quantity: Sold as a kit.
    Notes: Commonly used with Gen. 3 and Gen. 4 Chevy LS engines. Fits cathedral and rectangle port heads other than LS9. Can be used with LS7 with .045 in. shims.
    Make: CHEVROLET
    Engine Family: Chevy small block Gen III/IV (LS-based engines)
    Installed Height (in.): 1.800 in.
    Seat Pressure at Installed Height (lbs.): 160 lbs.
    Open Height (in.)(application): 1.130
    Open Pressure (lbs.): 425 lbs.
    Remanufactured: No
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