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Charts & Guides for Part Number TFS-16905P-16
Trick Flow® by PAC Racing Dual Valve Springs
Valve Springs, Dual, Nano Peened Double Platinum, 160 lbs. Seat Pressure. 425 lbs. Open at .670 Lift. LS1, LS6, LS2, LS3, LQ4, LQ9, L92, Set of 16
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Overview
Brand:
Manufacturer's Part Number:
TFS-16905P-16
Part Type:
Product Line:
Summit Racing Part Number:
TFS-16905P-16
UPC:
842645120572
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Retainers Included:
No
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:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Remanufactured:
No
Quantity:
Sold as a set of 16.
Notes:
Commonly used with Chevy Gen. 3 and 4 LS Engines. Fits cathedral port , and rectangle port with the exception of the LS9. Can be used with LS7 with .045 spring 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.
Trick Flow® by PAC Racing Dual Valve Springs
Valve springs compress and rebound hundreds of times a second. Make sure your next set of valve springs are built to last—and built to win! Trick Flow® by PAC Racing dual valve springs are specifically designed for cams with aggressive profiles, and are available with damper coils for extra spring surge prevention. PAC springs are CNC coiled from high tensile-strength, extra-durable Pacaloy chrome-silicon steel and double shot-peened beyond Aerospace Material Specifications (AMS) reliability standards.
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Some parts are not legal for use in California or other states with similar laws / regulations
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