CROW CAMS 4503 PERFORMANCE BILLET HYDRAULIC CAMSHAFT [HOLDEN V8 304 INJECTED 5.0L & 355 STROKER 5.7L MOTOR]

CROW CAMS 4503 NEXT GEN PERFORMANCE BILLET HYDRAULIC CAMSHAFT
LB9 HOLDEN V8 304 INJECTED 5.0L MOTOR
L98 HOLDEN V8 355 STROKER 5.7L MOTOR (348ci)

03/1989-08/1997 HOLDEN [VN-VP-VR-VS COMMODORE]
03/1990-10/1998 HOLDEN [VQ-VR-VS STATESMAN/CAPRICE]
09/1990-10/1998 HOLDEN [VG-VP-VR-VS UTE]

Crow Cams' unique Next Gen cam design and CNC grinding technology is applied to a huge range of hydraulic lifter 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.

SPECIFICATIONS:
Camshaft Part Number: 4503
RPM Range: 2400 - 5500
Advertised Duration Intake: 289º
Advertised Duration Exhaust: 282º
Duration @.050" Intake: 227º
Duration @.050" Exhaust: 220º
Valve Lift Intake: 0.486"
Valve Lift Exhaust: 0.486"
Rocker Ratio: 1.65:1
Lobe Separation Angle: 113º
Detailed Cam Card: SEE LAST PRODUCT PHOTO
Camshaft Characteristics: PERFORMANCE CAM WITH GOOD MID RANGE POWER . BENEFITS WITH STALL CONVERTER

CAMSHAFT REQUIREMENTS:
Cylinder Head Requirements: PERFORMANCE VALVE SPRINGS
Engine Requirements: NEW PERFORMANCE HYDRAULIC 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:
NEW HYDRAULIC LIFTERS ARE HIGHLY RECOMMENDED
NOT SUITABLE FOR VT ROLLER CAM ENGINES

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

CRITICAL NOTE:
USE ZDDP100 OIL ADDITIVE AND QUALITY MINERAL ENGINE OIL ONLY

MADE IN AUSTRALIA