Comp Cams 1.550 Nascar Valve Spring

• 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: 1.550

I.D of Outer Dia. 2: 1.136

I.D. of Inner Dia. 3: 0.730

Damper: Y

Seat Load: 171 @ 1.950

Open Load: 492 @ 1.300

Coil Bind: 1.200

Rate (Lbs./In.): 494

Titanium Retainer: 732, 721

Steel Retainer: 1732, 741

Cup Seat: 4700, 4781, 4782