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Garage Sale - Edelbrock 7890 Accu-Drive Gear Drive, Small Block Chevy, Kit
Garage Sale - Edelbrock 7890 Accu-Drive Gear Drive, Small Block Chevy, Kit

GEAR DRIVE

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Garage Sale - Edelbrock 7890 Accu-Drive Gear Drive, Small Block Chevy, Kit
GEAR DRIVE
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Part # UP59355
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Edelbrock to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item UP59355 is made to order. It will be shipped from our warehouse when it is produced.

Details

Info

This timing kit is garage sale priced because it has been opened and can't be sold as new.

No Warranty, No Returns On Garage Sale Items

The Accu-Drive camshaft gear drive kit replaces a stock timing chain with a precision gear drive system. The gear drive can be easily installed. Just replace the stock crank and camshaft sprockets with Accu-Drive gears and slip in the idler assembly. Most Accu-Drives require no modifications to the engine block, although some fitting of the axles and front cover may be required. The Accu-Drive gear drive system transmits power from the crankshaft gear to a full floating main idler which drives the camshaft gear. A unique feature of the Edelbrock Accu-Drive system is the ability of the main idler gear to float to an optimum position between the crankshaft and camshaft gears, assuring absolutely equal load sharing between the crankshaft and the camshaft gears. The gears are made from billet SAE-1144 steel with induction hardened teeth. Gear teeth are shaved for precision operation. The set features hardened and ground idler pins from billet steel.

  • Precision Gear Drive System
  • Accurate Timing Control
  • No Chain To Stretch
  • Smooth Cam Rotation For Precise Valve Timing
  • Accurate and Multiple Cam Timing Settings
  • Compatible With All Standard Camshafts

Installation Instructions (PDF)

Notes

Not designed to work on engines with a knock sensor.

Specs

Sold in Quantity:
Each
Gear Material:
Steel
Gear Attachment:
3-Bolt
Gear Drive Idler Style:
Dual Idler
MFG. Part #:
7890
Retard at Camshaft:
4 degree
Retard at Crankshaft:
2 degree
Gaskets Included:
No
Thrust Bearing Included:
Yes
Offset Bushings Included:
No
Some parts are not legal for use in California or other states with similar laws/regulations

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