Comp Cams 990-974 Dual Valve Spring
COMP Cams Valve Springs By Design
DUAL
- Manufactured from Super Clean wire to eliminate surface flaws and fissures
- Dual spring design capable of handling the increased lift in extreme stress applications
- Designed for superior strength and durability
- Adds valve train stability in race, street/strip and street performance applications
Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing to deliver a valve spring assembly with superior strength, durability and valve train stability. Dual Valve Springs are available for race, street/strip and performance applications. No matter what the application, the dual spring design creates a stronger valve spring that can easily handle the increased lift found in extreme stress applications. COMP Cams® Dual Valve Springs exceed the expectations of today's engine builders and racers. Elite Race Dual Valve Springs are also available.
Specification
O.D. of Outer Dia. 1: 1.437
I.D of Outer Dia. 2: 1.073
I.D. of Inner Dia. 3: 0.697
Damper: Y
Seat Load: 102 @ 1.700
Open Load: 303 @ 1.150
Coil Bind: 1.065
Rate (Lbs./In.): 367
Titanium Retainer: 730
Steel Retainer: 1730, 740
Cup Seat: N/A