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Vehicle Info NeededHOWARDS CAMSPART NUMBER: 466-98739
Electro Polished Pro-Alloy Dual Valve Spring Set 1.640 in. OD
$34399
Ships on 09/14/2026
Lowest Price Guarantee1.640 in. OD
- Electro Polished Pro-Alloy Dual Valve Spring Set
- Rate: 645 lbs
- 0.860 in. ID, 1.640 in. OD
- Seat Load: 250 lbs at 2.000 in.
- Open Load: 800 lbs at 1.150 in.
- Coil Bind Height: 1.070 in.
- Max Lift: 0.880 in.
These Electro Polished Pro-Alloy Dual Valve Springs feature a spring rate of 645 lbs, an outer diameter of 1.640 in. and a max lift of 0.880 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
Weight5.4 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number98739
Package Qty1
Package TypeEA
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