You will not be allowed to compare more than 4 products at a time
View compareHPI Racing Under Head Engine Component Replacement Part for HPI Nitro Engines
HPI Racing Under Head Engine Component Replacement Part for HPI Nitro Engines
Regular price
$14.99 USD
Sale price
$14.99 USD
Regular price
Unit price
per
Shipping calculated at checkout.
Hurry! Only left 1 in stock
Sold by ToyTooth — Your trusted kids' toy store.
Returns accepted within 30 days | support@toytooth.com
Shipping Information
Shipping calculated at checkout
Shipping cost and estimated delivery will be shown at checkout based on your location.
- Processing Time:3–5 business days
- Tracking number sent via email once dispatched
Returns & Refund
Returns accepted within 30 days of delivery.
Damaged or Defective Item
Free return shipping + replacement or full refund
Wrong Item Received
Free return shipping + replacement or full refund
Change of Mind
Return shipping at customer's expense · Item must be unused & in original packaging
All returns require a Return Authorization (RA) number before sending.
View Full Return & Refund Policy
Safety & Compliance
⚠️
California Proposition 65 Warning
Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
www.P65Warnings.ca.gov
🛒
General Product Safety Advisory
Always read the product label, instructions, and safety warnings before use. Do not use damaged or modified products. Store products in appropriate conditions as specified by the manufacturer.
Keep all products out of reach of children unless specifically designed for their use.
ℹ️
Product Authenticity & Notice
All products sold by ToyTooth are 100% authentic, sourced directly from trusted toy suppliers and brands. Product colors and dimensions may vary slightly from images due to screen calibration and manufacturing tolerances.
ToyTooth — Fun Toys for Every Kid, Delivered to Your Door.
Share
Couldn't load pickup availability
Guarantee safe and secure checkout
Description
Description
Overview
The HPI Racing Under Head is a genuine HPI replacement engine component for compatible HPI nitro engines. The under head shim sits between the cylinder head and engine block, helping set proper combustion chamber compression and engine tuning.
Key Features
- Genuine HPI replacement part
- Engine under head shim
- OE-grade quality
Performance Benefits
- Restores proper engine compression
- OE-grade fitment
- Critical for engine tuning
Usage Notes
- Best used during HPI nitro engine service or rebuild
- Verify compatibility with your specific engine variant
- Follow HPI installation procedures for correct compression
Technical Specs
- Type: Engine Under Head
- Application: HPI nitro engines
- Manufacturer: HPI Racing
Fitment
- Refer to your HPI engine's parts manual for compatibility
What's Included
- HPI Racing Under Head (as packaged by HPI)
Summary
The HPI Racing Under Head is the genuine OE replacement engine shim for restoring proper compression and tune on compatible HPI nitro engines.
