How much is shipping and when does it ship?

Ground shipping in Canada is free on orders of $100 and up, $9.99 under that.

Can Northern Performance install it?

Yes. Buy it online and have us install it at our Service Centre. The Service Centre is at 1164 Walkers Line, Burlington, Ontario.

COMP Cams Beehive Hustler Spring for GM 604/CT525 LS Crate Engine

Mfg Part #: H604-1
NP#: COMH604-1
Brand

Universal fit: no vehicle restriction.

$55.99 CAD

Availability:

Contact [email protected] to check before you order.

Universal Fitment

Book installation at our Service Centre

Does this fit your vehicle?

Description

The COMP Cams Hustler Valve Spring is an improved version of the popular GM LS6 "blue" valve spring. It's based on the popular GM part #12499224 and #12565313 LS6 springs but with 4% higher seat and open loads for better dynamic control, as well as an extra .020" of lift capability. An excellent performance upgrade in GM 603/604 and CT525 LS crate Race Applications with tight rules packages.

Bottom Inside Diameter	0.86
Bottom Outside Diameter	1.282
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 Federally Certified Vehicles Manufactured Before 1967?	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. Exempt for Racing and Off-Road Only Vehicles?	Yes, but must be a race/competition only vehicle.
C.A.R.B. Exemption Reason	No impact on pollution output of vehicle.
Coil Bind Height	1.181
Compatible Chromemoly Steel Retainer	774-1
Compatible Shims	4753
Compatible Spring Seat / Seals	528-KIT
Compatible Titanium Retainer	722-1
Compatible Tool Steel Retainer	1772-1
Damper	No
Installed Height	1.8
Number of Springs	1
Open Load	304
Seat Pressure	92
Spring Rate	386
Spring Style	Beehive
Top Inside Diameter	0.655
Top Outside Diameter	1.077
Valve Spring Series	Performance Street
Brand	COMP Cams
Mfg part #	H604-1

COMP Cams Beehive Hustler Spring for GM 604/CT525 LS Crate Engine

Does this fit your vehicle?

Description

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