Part Number:
TFS-16905P-16
Part Type:
Product Line:
UPC:
842645120572
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
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.
Valve Springs Coated:
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.
Trick Flow by PAC Racing Dual Valve Springs are manufactured to Trick Flow’s rigorous, world-class standards. Every spring is CNC coiled from high tensile-strength, extra-durable Pacaloy™ chrome-silicon steel and double shot-peened beyond Aerospace Material Specifications (AMS) reliability criteria. These dual PAC springs are specifically designed for cams with aggressive profiles, and are available with damper coils for extra spring surge prevention.
