Cast Iron 20B 80mm Centre Plate
Xtreme Rotaries, in collaboration with Racecast, is proud to release the 20B Cast Centre Plate — the result of years of research, development, and extensive real-world testing. Designed specifically for high-performance rotary applications, this centre plate delivers maximum durability, reliability, and versatility for professional engine builders.
Key Features:
Enhanced Structural Strength
Reinforced around dowel areas, wear faces, and the stationary gear zone for superior strength and long-term durability under extreme conditions.
Optimized Cooling Design
Retains Mazda’s original, proven cooling system flow while offering Peripheral Port (PP) options without port cores. This improves cooling capacity and eliminates the need for port blocking.
Flexible Stud Configuration
All stud holes are 9mm in diameter, allowing for custom stud layouts or retaining the original Mazda stud configuration.
Stationary Gear Compatibility
Compatible with Factory Mazda stationary gear
Engineered for Professionals
This centre plate has been purpose-built to meet the exacting demands of professional rotary engine builders. Whether you’re chasing maximum reliability for endurance racing or proven performance for high-output builds,
To place an order, please email us at sales@billetrotary.com.au for accurate pricing, specifications, and delivery timelines.
XTR Cosmo 20B Centre Plate (Iron)
All prices displayed on this website are subject to change without notice.
While Billet Rotary Pty Ltd makes every effort to ensure that product descriptions, specifications, images, and pricing are accurate and up to date, errors may occasionally occur due to typographical, technical, photographic, or supplier pricing changes.
Submitting an order and receiving an order confirmation email does not constitute acceptance of your order. All orders are subject to review and acceptance by Billet Rotary Pty Ltd. An order is deemed accepted only when it has been processed and dispatched.
If we discover that a product has been listed with an incorrect price before an order has been accepted, we reserve the right to cancel or decline the order. If this occurs, we will notify you as soon as possible and provide you with the option to purchase the product at the correct price or receive a full refund of any payment made.
If the correct price is lower than the price displayed at the time of your order, we will charge the lower amount where possible or refund the difference if payment has already been processed.
Nothing in this policy excludes or limits your rights under the Australian Consumer Law.
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