CSP SAVINGS!

CSP2026
1 5

COMP Cams 991-1 - Valve Spring 1.625in CHR

COMP Cams  |  SKU: COMP-991-1
$2899 $3189

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


AVAILABILITY: This Item Is Out Of Stock.

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

Description

COMP Cams 991-1 - Valve Spring 1.625in CHR

Engine Valve Spring

COMP Cams Dual Valve Spring, 1.639" OD, 214 lbs 1.950", 662 lbs 1.250", Single Piece

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, 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.

Coil Bind Height: 1.125
Compatible .570" Guide Diameter Spring Seat: 4774-1
Compatible .630" Guide Diameter Spring Seat: 4775-1
Compatible Retainer: 733-1
Compatible Shims: 4756
Compatible Spring Cup (O.D. Locator): 4702-1
Damper: Yes
Inner Spring Inside Diameter: 0.772
Number of Springs: 2
Outer Spring Inside Diameter: 1.18
Outer Spring Outside Diameter: 1.65
Seat Height: 1.95
Seat Pressure: 214
Spring Rate: 640
Amazon ASIN: B00062YHII
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

What are people saying about CSP?