High-Performance 4.3 V6 Replacement Mounts for S-10 Trucks and Blazers
Part # S10-4.3HP for 2WD
Part # S10-4.3HP for 4x4 and all-wheel-drive S10 Trucks and Blazers.
The stock S10 4.3 V6 engine mounts use large, soft rubber isolators to reduce engine vibrations that go into the cab of the S10 trucks. The soft rubber isolators are not well suited for performance applications because they allow too much engine movement, which can lead to problems with headers contacting the frame and the steering shaft, as well as axle hop problems.
Because the stock 4.3 V6 mounts are made from rubber bonded to steel, the mounts often fail, with the rubber tearing away from the steel, and allowing the engine to contact the hood. The fan can also contact the fan shroud, damaging the fan and shroud.
Stealth Conversion's high-performance 4.3 V6 mount assembly uses a Chevrolet 2.8 V6 S-10 replacement mount (part # S10-106), and the JTR 2.8 to 4.3 V6 conversion mount (part # S10-109).
The mount assembly is stiffer than the stock S10 4.3 V6 mounts, but is soft enough to be used on street driven vehicles without transmitting excessive noise and vibration into the truck. The 2.8 V6 replacement mount has the rubber surrounded by steel. This mount is the most common mount to use in the S-10 V8 swap -- it has proven itself to be strong enough for even the most powerful V8’s, yet compliant enough to prevent noise and vibration from entering the cab.
This kit will bolt directly into most S-10 trucks and Blazers with the 4.3 V6, using the original mounting holes on the S-10 frame, and on the 4.3 V6 engine. Note: This kit will not work on ZR2 trucks.
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