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.
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