OneDayMotorsport
K20 Mainshaft 3.64-1.88 (Used)
K20 Mainshaft 3.64-1.88 (Used)
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Upgrade your Honda's transmission performance with our premium Mainshaft 3.533-1.88, designed to ensure smooth and efficient gear changes. This high-quality component plays a crucial role in your vehicle's transmission system, enabling the transfer of power from the engine to the transmission and ultimately to the wheels.
Shipping & Returns
Shipping & Returns
We Fit Parts
As Specialists in our field, we are experts at fitting all parts new and used to your vehicle.
Drive with confidence knowing you have the best safety and performance available from your new parts.
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Hassle-Free Exchanges
We want you to be completely satisfied with your
purchase. That's why we offer hassle-free exchanges. If you're not happy
with your order for any reason, you can exchange it for a different
product or size within 30 days of receiving it. Just send
us an email or give us a call, and we'll be happy to help you with the
exchange process. We want you to have a stress-free shopping experience
with us, and our hassle-free exchanges are just one way we strive to
make that happen.