New Mini Sport 1275cc Cylinder Heads

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Coming January 2025

BRAND NEW CASTINGS

Revive the Heart of Your Classic Mini

Experience a new era in A-Series engine performance with the Mini Sport 1275cc Cylinder Head. Designed, developed, and manufactured in Yorkshire, England, this precision-engineered component breathes new life into the iconic 12G940 casting.

Whether you're restoring a cherished classic or seeking enhanced performance, this cylinder head delivers reliability, power, and innovation without compromise.


Why Choose the Mini Sport 1275cc Cylinder Head?

  • British Engineering Excellence: Manufactured entirely in Yorkshire, combining heritage craftsmanship with modern technology.
  • Durability and Compatibility: Cast from BS1452 Grade 250 cast iron and designed for use with E5 unleaded fuel, with potential compatibility for E10.
  • Improved Performance: Thick-walled ports, sintered tungsten exhaust valve seats, and optimised airflow ensure better power, efficiency, and reliability.
  • Tailored for Every Enthusiast: Available in two variants—Standard (original specification) and Performance (Stage 3 gas-flowed and ported). 

Discover the Difference:

Explore our expertly crafted 1275cc Cylinder Heads—choose between Standard for classic reliability or Performance for maximum power.

Key Features 

  • Material: BS1452 Grade 250 Cast Iron for unparalleled strength and durability.
  • Valve Options: Supports up to 37mm intake and 31mm exhaust valves.
  • Thick-Walled Ports: Allows extensive porting for enhanced airflow and power.
  • Revised Water Jacket Design: Optimised cooling for better heat dissipation and reliability.
  • Hardened Exhaust Valve Seats: Sintered tungsten seats provide excellent resistance to wear and compatibility with modern fuels.
  • Flexible Configuration: Available in 9 or 11 stud formats for compatibility with a wide range of setups.  

Performance You Can Trust 

The Mini Sport 1275cc Cylinder Head isn’t just a replacement—it’s an evolution. Backed by rigorous testing, including heat cycling, dyno pulls, and real-world road trials, this head is proven to deliver:

  • Increased power and torque
  • Enhanced reliability under demanding condition
  • Versatility for standard and modified engines

Choose the Standard variant for a reliable factory-spec solution or the Performance variant for maximum power and optimised airflow.

BRAND NEW CASTINGS


Compatibility 

The Mini Sport 1275cc Cylinder Head is designed for the A-Series engine, making it suitable for:

  • 1275cc Classic Minis
  • Modified and performance-tuned engines
  • Classic Mini restorations requiring reliable, high-quality components

Unleash Your Mini’s Potential

Whether you’re building for the road, track, or a show-stopping restoration, the Mini Sport 1275cc Cylinder Head sets a new standard for Classic Mini performance. Backed by decades of expertise and a commitment to quality, this cylinder head ensures your Mini remains a joy to drive for years to come.

 

Explore The Possibilities

Don’t settle for less when it comes to your Mini. Upgrade to the Mini Sport 1275cc Cylinder Head and rediscover the power and reliability of the A-Series engine.

Contact sales@minisport.com or phone +44 (0) 1282 778731 for more information. 


Why Mini Sport?

With a heritage rooted in Classic Mini expertise, Mini Sport has been serving enthusiasts around the globe for over 50 years. We pride ourselves on delivering products that honor the spirit of the Mini while embracing modern innovation.

Join the Mini Sport family and experience the difference today. For questions or additional details, feel free to Contact Us.

Coming January 2025

BRAND NEW CASTINGS

Revive the Heart of Your Classic Mini

Experience a new era in A-Series engine performance with the Mini Sport 1275cc Cylinder Head. Designed, developed, and manufactured in Yorkshire, England, this precision-engineered component breathes new life into the iconic 12G940 casting.

Whether you're restoring a cherished classic or seeking enhanced performance, this cylinder head delivers reliability, power, and innovation without compromise.


Why Choose the Mini Sport 1275cc Cylinder Head?

  • British Engineering Excellence: Manufactured entirely in Yorkshire, combining heritage craftsmanship with modern technology.
  • Durability and Compatibility: Cast from BS1452 Grade 250 cast iron and designed for use with E5 unleaded fuel, with potential compatibility for E10.
  • Improved Performance: Thick-walled ports, sintered tungsten exhaust valve seats, and optimised airflow ensure better power, efficiency, and reliability.
  • Tailored for Every Enthusiast: Available in two variants—Standard (original specification) and Performance (Stage 3 gas-flowed and ported). 

Key Features 

  • Material: BS1452 Grade 250 Cast Iron for unparalleled strength and durability.
  • Valve Options: Supports up to 37mm intake and 31mm exhaust valves.
  • Thick-Walled Ports: Allows extensive porting for enhanced airflow and power.
  • Revised Water Jacket Design: Optimised cooling for better heat dissipation and reliability.
  • Hardened Exhaust Valve Seats: Sintered tungsten seats provide excellent resistance to wear and compatibility with modern fuels.
  • Flexible Configuration: Available in 9 or 11 stud formats for compatibility with a wide range of setups.  

Performance You Can Trust 

The Mini Sport 1275cc Cylinder Head isn’t just a replacement—it’s an evolution. Backed by rigorous testing, including heat cycling, dyno pulls, and real-world road trials, this head is proven to deliver:

  • Increased power and torque
  • Enhanced reliability under demanding condition
  • Versatility for standard and modified engines

Choose the Standard variant for a reliable factory-spec solution or the Performance variant for maximum power and optimised airflow.

BRAND NEW CASTINGS


Compatibility 

The Mini Sport 1275cc Cylinder Head is designed for the A-Series engine, making it suitable for:

  • 1275cc Classic Minis
  • Modified and performance-tuned engines
  • Classic Mini restorations requiring reliable, high-quality components

Unleash Your Mini’s Potential

Whether you’re building for the road, track, or a show-stopping restoration, the Mini Sport 1275cc Cylinder Head sets a new standard for Classic Mini performance. Backed by decades of expertise and a commitment to quality, this cylinder head ensures your Mini remains a joy to drive for years to come.

 

Register Your Interest Today

Don’t settle for less when it comes to your Mini. Upgrade to the Mini Sport 1275cc Cylinder Head and rediscover the power and reliability of the A-Series engine.

Contact sales@minisport.com or phone +44 (0) 1282 778731 for more information. 


Why Mini Sport?

With a heritage rooted in Classic Mini expertise, Mini Sport has been serving enthusiasts around the globe for over 50 years. We pride ourselves on delivering products that honor the spirit of the Mini while embracing modern innovation.

Join the Mini Sport family and experience the difference today. For questions or additional details, feel free to Contact Us.