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Pro-Alloy Dual Valve Spring Set 1.660 in. OD
InfoVehicle Info Needed
HOWARDS CAMSPART NUMBER: 466-98737

Pro-Alloy Dual Valve Spring Set 1.660 in. OD

$22999
ShippingShips on 11/10/2026
Lowest PriceLowest Price Guarantee

1.660 in. OD
    Pro-Alloy Dual Valve Spring Set
  • Rate: 593 lbs
  • 0.770 in. ID, 1.625 in. OD
  • Seat Load: 240 lbs at 2.000 in.
  • Open Load: 685 lbs at 1.250 in.
  • Coil Bind Height: 1.150 in.
  • Max Lift: 0.800 in.

    These Pro-Alloy Dual Valve Springs feature a spring rate of 593 lbs, an outer diameter of 1.625 in. and a max lift of 0.800 in.

Howards Cams Pro-Alloy Dual Valve Springs are specially developed from low stress, high endurance alloy. The Pro-Alloy valve springs feature a low fatigue rate when compared to other roller springs. These valve springs have been cycle tested to 12 million cycles with no breakage. Each spring is coiled using the most advanced CNC winders available. The springs are then parallel ground, stress relieved, shot-peened and heat-treated to Howards Cams' precise standards.

Features

  • Low stress, high endurance alloy construction
  • Cycle tested to 12 million cycles
  • Coiled and finished to precise and exacting standards
Part TypeValve Spring Kit
Product LineHowards Cams Pro-Alloy Dual Valve Springs
BrandHOWARDS CAMS
Package Height2.65
Package Width8.5
Package Length8.5
Weight6.0 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number98737
Package Qty1
Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning