SKU: 31321657030

CRF300L CRF300 RALLY PAIR VALVE BLOCK OFF KIT. AIS VALVE DELETE.

Sale price$97.02 Regular price$107.80
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  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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Description

CRF300L CRF300 RALLY PAIR VALVE BLOCK OFF KIT. AIS VALVE DELETE.The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts. The secondary air injection system (PAIR) routes fresh air from the airbox to the exhaust system in order to aid the combustion of unburned fuel in the exhaust. This system is designed to improve emissions on stock exhaust systems, but will cause exhaust

 

 

The PAIR Valve Removal Kit with Block Off Plates by SmartMoto replaces the secondary air injection system on a motorcycle, allowing the complete removal of the system and all the associated parts.

 

The secondary air injection system (PAIR) routes fresh air from the airbox to the exhaust system in order to aid the combustion of unburned fuel in the exhaust. This system is designed to improve emissions on stock exhaust systems, but will cause exhaust popping and backfiring when you fit aftermarket exhausts.

 

SmartMoto CNC machined parts bring eye-catching block off plates, combined with SmartMoto Complete Sets providing every component you need to eliminate the secondary air system, all in one convenient package.

 

Key Features

Eliminates exhaust popping noise on deceleration and backfiring typically associated with aftermarket exhausts.

Achieves true A/F ratio for fuel tuning. A/F ratio measurements are reliable.

Free up engine space.

Can improve throttle response when used with full aftermarket exhaust systems.

This kit enables you to remove the PAIR system completely, including the valve, the PAIR covers and the associated tubing.

Honda > CB 300 > 2015 - 2017

Honda > CBR 250 > 2011 - 2015

Honda > CBR 300 > 2015 - 2023

Honda > CRF 250 L > 2023 - 2023

Honda > CRF 300 L > 2021 - 2024

Honda > CRF 300 RALLY > 2021 - 2024

Honda > REBEL 300 > 2017 - 2022

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 31321657030

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A
Verified Purchase
ANDO
Bozeman, US
★★★★★ 5
2010 Honda accord exl
Fit my 2010 Honda accord exl
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
F
Verified Purchase
falcon
Massapequa, US
★★★★★ 5
Great quality
These o-rings worked perfectly on a 2010 Honda Odyssey. Stopped all the leaking from the pump. Highly recommended
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 23, 2025
P
Verified Purchase
Pants
Omaha, US
★★★★★ 5
Works for 05 Honda Accord power steering
Fits 05 Honda Accord power steering.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 21, 2025
J
Verified Purchase
James C Hobson
Houston, US
★★★★★ 1
GARBAGE. Don’t waste your money
Absolute trash. The low pressure o-ring (orange) broke and split and broke in half after less than two hours of installation. Don’t waste your time and money on these cheap Chinese o-rings. The OEM Honda o-rings are literally cheaper and light years ahead of these in quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
M
Verified Purchase
My own opinion
Port Orchard, US
★★★★★ 5
Works great!!
Works great. Just dip them in the power steering fluid before putting them on.
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Reviewed in the United States on May 24, 2025

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