SKU: 871249K

CROW CAMS PERFORMANCE BILLET HYDRAULIC ROLLER CAMSHAFT STAGE V PACKAGE [HOLDEN V8 GEN III LS1 5.7L MOTOR]

1999-05 HOLDEN [VTII-VX-VY-VZ COMMODORE]

$1,069.00
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CROW CAMS PERFORMANCE BILLET HYDRAULIC ROLLER CAMSHAFT
STAGE V TOUGH STREET PACKAGE
HOLDEN V8 GEN III LS1 5.7L MOTOR

1999-05 HOLDEN [VTII-VX-VY-VZ COMMODORE]
1999-05 HOLDEN [WH-WK-WL STATESMAN]
2001-05 HOLDEN [V2-VZ MONARO CV8]

Description

CROW CAMS NEXT GEN PERFORMANCE BILLET HYDRAULIC ROLLER CAMSHAFT
STAGE V TOUGH STREET GRIND PACKAGE
VALVE LIFT 0.608" INTAKE / 0.602" EXHAUST
DURATION @ .050" 226º INTAKE / 232º EXHAUST
STANDARD 1.7 ROCKER RATIO
PAC 400lb PERFORMANCE DOUBLE VALVE SPRINGS
CHROME MOLY VALVE SPRING RETAINERS
MACHINED VALVE LOCK/COLLETS
PERFORMANCE VITON TOP HAT VALVE STEM SEALS
HOLDEN V8 GEN III LS1 5.7L MOTOR
CATHEDERAL PORT CYLINDER HEADS

06/1999-2005 HOLDEN [VTII-VX-VY-VZ COMMODORE]
06/1999-2005 HOLDEN [WH-WK-WL STATESMAN/CAPRICE]
12/2000-2005 HOLDEN [VU-VY-VZ UTE]
10/2001-2005 HOLDEN [V2-VZ MONARO CV8]

Crow Cams' unique Next Gen cam design and CNC grinding technology is applied to a huge range of hydraulic lifter roller camshafts, for maximum torque and power in street or race applications.

Crow Cams' world class CNC grinding and inspection facilities have also been upgraded to ensure an even greater degree of grinding accuracy in terms of surface finish and cam position. These characteristics are checked on every cam on our CNC checking machines, which are regularly calibrated on our in-house Adcole camshaft coordinate measuring machine.

With over 30 years of experience the team at Crow, the guys knew and leaned on most renowned valve spring manufacturer in the world Pac Racing Springs in the United States. PAC has over 100 years of experience and understands the demands of racingPAC performance valve springs are used in various forms of Motorsports around the world and are a leading choice of performance cylinder head manufacturers and rebuilders.

That experience and state of the art manufacturing in Southfield, Michigan (USA), delivers a premium choice double valve spring package, oozing with quality and constructed from the highest quality American steel and ready for the punishment endured in Australian's fascination with the go peddle and harsh conditions.

The performance valve spring package includes the bits you need to freshen up and beef up your cylinder heads and keep those valve springs down to cope with extra spring rate and the higher RPM's your camshaft should deliver. Crow Cams high performance chrome moly valve spring retainers, precision machined valve collets and Viton top-hat valve stems are the perfect tried and tested combination. They are all part of the deal to finish off a pretty awesome performance valve upgrade combination.

CAMSHAFT SPECIFICATIONS:
Camshaft Part Number: 871249
Camshaft Grind: STAGE V TOUGH STREET
Camshaft Characteristics: BIG POWER AND TORQUE
RPM Range: 2400 - 6400
Advertised Duration Intake: 277º
Advertised Duration Exhaust: 284º
Duration @.050" Intake: 226º
Duration @.050" Exhaust: 232º
Valve Lift Intake: 0.608"
Valve Lift Exhaust: 0.602"
Rocker Ratio: 1.70:1
Lobe Separation Angle: 112º
Detailed Cam Card: SEE LAST PRODUCT PHOTO

VALVE SPRING SPECIFICATIONS:
Outside Diameter: 1.290"
Inside Diameter of Outer: 0.948"
Inside Diameter of Inner: 0.690"
Spring Type: DOUBLE VALVE SPRINGS
Outer: RIGHT HAND SIDE
Advertised Duration Exhaust: 284º
Free Length: 2.345"
Spring Rate: 365lb/in
Solid Height: 1.050"
Set Quantity: 16

VALVE SPRING RETAINERS SPECIFICATIONS:
Material: CHROME MOLY
Outside Diameter: 1.205"
First Step Diameter: 0.915"
Second Step Diameter: 0.634"
Valve Stem: 8mm
Spring Height: STANDARD
Locks:
Set Quantity: 16

VALVE COLLETS SPECIFICATIONS:
Type: SINGLE GROOVE MACHINED
Valve Stem Diameter: 0.343"
Spring Height: STANDARD
Taper: 10º
Set Quantity: 32

VALVE STEM SEAL SPECIFICATIONS:
Valve Stem Diameter: 0.313" / 8.00mm
Valve Guide Diameter: 0.492"
Unloaded Seal Base: 0.791"
Unloaded Seal Flange: 1.187"
Unloaded Seal Height: 0.887"
Material: VITON
Style: TOP HAT
Construction: METAL GLAD ONE PIECE SEAL
Set Quantity: 16

CAMSHAFT REQUIREMENTS:
Engine Requirements: NEW HYDRAULIC ROLLER LIFTERS
Exhaust Requirements: PERFORMANCE HEADERS/EXTRACTORS
ECU Requirements: RE-TUNE/CALIBRATION REQUIRED

For more than 30 years, Crow Cams in Australia, have developed valve train products and developed unique camshafts.

SPECIAL NOTE:
ENGINE CONTROL UNIT (ECU) RE-TUNE/CALIBRATION, NEW HYDRAULIC ROLLER LIFTERS & PERFORMANCE HEADERS/EXTRACTORS ARE REQUIRED TO USE THIS CAMSHAFT PACKAGE

IMPORTANT NOTE:
THE FIRST 20 MINUTES OF RUN-IN, IS A CRITICAL TIME IN THE LIFE OF YOUR CAMSHAFT, DURING WHICH TIME THE LIFTER FACES BED INTO THE CAMSHAFT LOBES. OIL FILTER AND OIL CHANGE AFTER RUN IN PERIOD IS HIGHLY RECOMMENDED

MADE IN AUSTRALIA & USA

Warranty

Features

Specifications

SKU 871249K
Model # 871249K
Brand Crow Cams
Shipping Weight 6.9000kg
Shipping Width 0.620m
Shipping Height 0.070m
Shipping Length 0.070m
Shipping Cubic 0.003038000m3

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