Allstar Performance ALL90000 User Manual
Aluminum gear drive
1. Allstar gear drive for small block Chevrolet V8’s is the ultimate in precise cam timing. Heat treated
and case hardened gears eliminate timing chain stretch and harmonics. Camshaft and ignition timing
remain accurate at all engine speeds – and that means more horsepower!
2. Cam timing is infinitely adjustable to allow maximum performance from any profile. Camshaft for-
ward and rearward movements are controlled with needle bearing thrust washers.
3. Gear drive fits under most 2 pc. timing chain covers and the cam and cam gear can be removed
for inspection without dropping the oil pan. Allstar gear drives deliver maximum performance and reli-
ability.
• Eliminates Variations In Valve And Ignition Timing
• Controls Camshaft Thrust
• Allows Fine Tuning Cam Timing
• Simplifies Inspection And Maintenance
• Gears Can Be Inspected Or Removed Without
Dropping Oil Pan
Qty. Description
1
Main Adapter Plate
With Idler Gear Assembly
1
Cam Gear
1
Crank Gear
4
1/4" Dowel Pins,
(2 = 1" Long, 2 = 1-1/4" Long)
5
Offset Bushings - 0 Deg.,
1 Deg., 2 Deg., 3 Deg., 4 Deg.
1
Small Diameter Thrust Bearing
With 1 Thick And 1 Thin Race
1
Large Diameter Thrust Bearing
With 2 Thin Races
1
Thrust Plate With 2 Bolts, 2
Spacers, And 10 .005" Shims
Gear Drive Kit Contents
Aluminum Gear Drive
Allstar Performance 8300 Lane Dr., Watervliet, MI 49098
Phone: (269) 463-8000 Fax: (800) 772-2618 www.allstarperformance.com
Form 1005
Page 1 of 2
Rev. 071012