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COMP Cams 7245-1 - Conical Valvespring, 1.657In D,565Lb R

COMP Cams  |  SKU: COMP-7245-1
$7399 $8139

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.

PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

COMP Cams 7245-1 - Conical Valvespring, 1.657In D,565Lb R

Race Endurance 1.657" OD Conical Spring, 2.000" Installed Height, 1 Spring

Dual Conical Valve Springs. As opposed to dual cylindrical spring systems, COMP Cams Dual Conical Valve Springs require no interference fit to dampen spring surge. The self damping characteristic of conical geometry, along with the lower spring kinetic energy of the upper coils, provide a game-changing breakthrough in valve spring design. COMP Cams Dual Conical Valve Springs are constrained at the top and bottom with stepped retainers and spring seats to create separation. The result is that the springs naturally progressive nature can provide outstanding damping without rubbing friction or the associated heat and surface damage. These springs are designed for circle track, road Race and drag racing Applications, as well as all-out, high-RPM street/strip hydraulic Roller valve train systems with optimized lifters.

  • Dampen coil oscillations, increase RPM limit and reduce resonance
  • Improves valve train stability
  • Fewer parasitic horsepower losses and more power
  • Superfinish surface processing
  • Non-interference fit
The reduced oscillation in the Dual Conical Springs translates to less applied force and stress to the springs. This increases the lifespan of the spring and the valve train. It also allows the use of more aggressive Camshaft profiles.
Seat Load Open Load Coil Bind Rate OD ID Retainers Seats Shims
150lbs @ 2.00" 630lbs @ 1.20" 1.115" 600lb/in 1.442" .646" 716-1, 1738-1 4668-1, 4669-1 4756
1.657" .861"
Coil Bind Height: 1.115
Compatible .570" Guide Diameter Spring Seat: 4669-1
Compatible Retainer: 716-1
Compatible Shims: 4756
Damper: No
Inner Spring Inside Diameter: 0.646/0.861
Number of Springs: 2
Outer Bottom Spring Inside Diameter: 1.225
Outer Top Spring Inside Diameter: 1.01
Outer Top Spring Outside Diameter: 1.442
Seat Height: 2.05
Seat Pressure: 150
Spring Rate: 600
Valve Spring Series: Race Endurance
Amazon ASIN: B00N6LT060
C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, but must be a race/competition only vehicle.
C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, but must meet tailpipe emission standards for year of vehicle.
C.A.R.B. Exempt for On-Road Vehicles?: Yes
C.A.R.B. Exemption Reason: No impact on pollution output of vehicle.
C.A.R.B. E.O. Number: N/A

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