Overview

Enginetech Engine Balance Shaft Eliminator Kits

Enginetech engine balance shaft eliminator kits are aftermarket sets designed to remove a vehicle's balance shafts, which are used to reduce engine vibration. These kits improve reliability by eliminating potential failure points, such as belt breakage, while increasing engine oil pressure and reducing engine weight.

Additional details:

* Purpose: To eliminate the balance shafts—weighted rods that spin in opposite directions to reduce vibration in I-4 and V6 engines
* Benefits: These kits improve reliability by eliminating the belt that drives the rear balance shaft, which is notorious for failing and destroying the timing belt. They also reduce engine weight, reduce oil windage, and improve oil pressure
* Components: While specific components vary, these kits generally include a block-off plate, oil passage plugs, and a stub shaft to replace the original, heavy balance shafts
* These kits are commonly used by engine builders during rebuilds for high performance or racing applications (like Mitsubishi 4G63 or Honda H/F series engines) to free up rotational mass
* Common issues addressed:
-- Broken belts: If the balance shaft belt breaks, it can destroy the timing belt, causing severe engine damage
-- High RPM vibration: Eliminating the shafts can help at higher RPMs, though it may introduce some vibration at lower RPMs, which is generally acceptable for race engines
* For a race or high performance build, these kits are often considered a critical reliability modification

Applications

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