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Charts & Guides for Part Number SUM-174013DP-1
LS Dual Springs, Solid Roller.765 Max Lift @ 250 Lb. seat @ 1.800 Installed, 860 Lb. @ 1.050 Open, .985 C.B., 1.300 O.D., 813 Rate, Like PAC 1335
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Estimated Ship Date from Ohio: Tomorrow Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
SUM-174013DP-1
Part Type:
Product Line:
Summit Racing Part Number:
SUM-174013DP-1
UPC:
190861356900
Valve Spring Style:
Standard
Number of Springs Per Valve:
Dual
Maximum Valve Lift (in.):
0.765 in.
Retainers Included:
No
Outside Diameter of Outer Spring (in.):
1.300 in.
Coil Bind Height (in.):
0.985 in.
Damper Spring Included:
No
Spring Rate (lbs./in.):
813 lbs./in.
Inside Diameter of Outer Spring (in.):
0.900 in.
Inside Diameter of Inner Spring (in.):
0.616 in.
Locks Included:
No
Valve Stem Seals Included:
No
Valve Springs Coated:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Max effort LS solid roller and extreme RPM - polished spring - higher rate than SUM-174012DP.
Installed Height (in.):
1.800 in.
Seat Pressure at Installed Height (lbs.):
250 lbs.
Open Height (in.)(application):
1.050
Open Pressure (lbs.):
860 lbs.
Summit Racing™ Valve Springs
Valve springs are one of the most critical and overlooked components in your engine. They must be matched to your cam in order for the engine to reach its full potential. Summit Racing™ springs are made from high quality steel with precision winding and surface treatments. Special consideration for reduced valvespring and retainer mass ensures stability at high rpm. This reduces valve float, extends the rpm range, and greatly reduces valvetrain wear.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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