AMS 4G63 Race Balance Shaft Eliminator Kit

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Automotosports, Inc. » Evolution IV-IX Engine » Evolution IV-IX Engine Accessories » AMS 4G63 Race Balance Shaft Eliminator Kit

AMS 4G63 Race Balance Shaft Eliminator Kit

The AMS Race Balance Shaft Eliminator Kit is the only “no compromise” way of removing the factory balance shafts. Eliminating the balance shaft not only frees up horsepower, it also reduces the chance of belt failures ending up in catastrophic damage to your motor. In our experience, replacing the front balance shaft with a stub shaft will increase the chances of oil pump failures. This is likely caused by eliminating the support provided by the rear bearing journal. A stub shaft allows the oil pump gears to push apart and wear into the aluminum pump. Aluminum that is being worn away will enter the clean oil stream and contaminate the engine bearings. Eventually this can result in the oil pump seizing. The AMS shaft is machined to eliminate the counterweight while leaving the bearing journal in place to keep the factory engineered support for the oil pump gears.

This is the same kit used in every AMS built motor including our record breaking 1100whp drag car and Time Attack car.

Features

Less rotational mass frees up horse power
CNC machined for precision
Added oil pump gear support
Proven performance
Core is Required

Kit Includes

AMS spec CNC Machined Race balance shaft
Clevite Balance Shaft Bearing
Block Off Plug

Specifications

CNC machined
Moly/Graphite treated TriArmor bearings

Applications

Fits all 4G63, G4CS and 4G64 blocks.

Core Info

These kits are sold on a core exchange basis, the kit can be bought outright for $349.95 but if you can send in your good condition stock balance shaft then the price for the kit is $199.95. We cannot send the kit until the core is received and inspected. If you order the shaft and will be sending in a core but we haven't received it yet, you will be charged the $170 core charge. Once we receive the core and it is inspected and deemed okay, we will refund the $170.

Product Information

Why AMS Recommends The Race Balance Shafts. Read about it here.

Details


Price:	$199.95

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