Drivetrain› Manual Transmissions and Components

Carbon Synchros

K-Series 6-Speed Transmission Bearing and Seal Kit

$285.87

SKU: BSK-K20

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Synchrotech BSK-K20 is a bearing and seal kit designed for K-Series 6-speed transmissions. This kit is specifically engineered to fit various models including the 2005-2015 RSX, TSX, ITR, CTR, and Civic Si with K20 or K24 engines.

It provides essential components for rebuilding or maintaining the transmission's bearing and seal system. The kit is part of Synchrotech's line of transmission components, known for their quality and performance.
Show original supplier description
The Synchrotech BSK-K20 Bearing & Seal Kit is a crucial component for maintaining the integrity and performance of K-Series 6-speed manual transmissions. This comprehensive kit includes all the necessary bearings and seals to rebuild or service the transmission, ensuring smooth operation and longevity. It specifically fits the 2005-2015 Acura RSX, Acura TSX, Integra Type R (ITR), Civic Type R (CTR), and Honda Civic Si models equipped with K20 and K24 engines. This includes chassis codes EP3, FN2, and FD2, making it a versatile option for enthusiasts seeking to refresh their transmission. This BSK-K20 kit is engineered to meet the demands of both street driving and light track use, contributing to crispier shifts and enhanced durability. Proper installation is recommended to ensure optimal performance and reliability.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandCarbon Synchros
Part NumberBSK-K20
CategoryDrivetrain
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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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