VALVE SHIM 1.72mm 8.90mm PK/3, Psychic MX-09433-01 PK3
4.1 Trustpilot 99.9% positive on eBay
UK delivery £4.99, free over £60 2–4 business days
Spread the cost with 18+, T&Cs apply
VALVE SHIM 1.72MM 8.90MM PK/3, Psychic MX-09433-01 PK3. Manufactured from 4140 cold rolled steel alloy. Refill packs are perfect for replacing or topping up your complete shim kit. Psychic Racing Parts shim kits are a must have for any engine builder or shop that is taking care of the maintenance of bikes and ATVs. Psychic has a wide range of valve shims with incremental steps of 0.05 mm like all OEM manufacturers are able to supply. Now Psychic is offering shim sizes that are exactly in the middle with incremental steps of 0.025 mm. Available in increments from 1.72mm to 2.60mm.
- SKU
- 56-S8.172
- Brand
- Psychic
- Availability
- In Stock (8)
- General Product Group
- Cam & Valvetrain
- General Product Type
- Valve Shim
- General Size
- 8.90mm
- Variant Id
- 254072
FULL DESCRIPTION
Psychic 1.72mm Valve Shim - 8.90mm Diameter (Pack of 3)
Ensure precise engine performance with this 1.72mm valve shim from Psychic. Designed for 8.90mm diameter applications, this refill pack is ideal for engine builders and maintenance shops needing to adjust valve clearances with accuracy. This shim is manufactured from a durable 4140 cold rolled steel alloy for long-lasting performance.
Psychic offers a comprehensive range of valve shims in incremental steps, allowing for fine-tuning of valve clearances. This particular shim size is part of a selection available in increments from 1.72mm to 2.60mm, with options available in precise 0.025mm increments for optimal adjustment.
Key Features:
- Precise 1.72mm thickness
- 8.90mm diameter
- Manufactured from 4140 cold rolled steel alloy
- Pack includes 3 shims
- Designed for accurate valve clearance adjustment
- Ideal for engine builders and professional maintenance
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00.
Call or email us with your make, model and year and we will check it for you before you order.
UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.


