FORD WINDSOR V8 PLATINUM BRODIX TRACK 1 SHFT MNT 7/16"

Yella Terra Platinum Race Rockers – YT 6636

For Brodix Track 1 Ford F-Series Cylinder Heads

Designed for strength and built for racing, the Yella Terra Platinum Race Rocker system sets the benchmark in high-performance valvetrain technology. Manufactured and assembled in Australia using premium materials sourced locally and from the USA, these rockers deliver exceptional durability, accuracy, and reliability under extreme racing conditions.

Unlike conventional rocker systems, Yella Terra’s true ratio design allows engine builders to achieve greater valve lift without relying solely on aggressive camshaft profiles. This approach helps reduce the inertia loads placed on lifters and pushrods, often generated by steep camshaft ramp rates, improving overall valvetrain stability and longevity.

The proven twin shaft bolt-on design incorporates heavy-duty 7/16" and 10mm hardware, providing outstanding stability and clamping force well beyond the chequered flag.

Key Features

Wide Body Platinum Arms
Extruded from aircraft-grade aluminium for superior strength, reduced deflection, and the ability to withstand extreme RPM levels. Designed to handle up to 900 lbs maximum open spring pressure.

Oversize Precision Bearings
Full-complement caged bearings engineered specifically for oscillating rocker loads, paired with oversize precision-ground trunnions to reduce friction and increase durability.

CNC Billet Precision
Intricately balanced CNC-machined rocker arms ensure precise alignment and optimal valvetrain stability across the entire engine.

Twin Shaft Mount Design
The inlet and exhaust rockers mount to a common shaft, increasing footprint and clamp load without requiring additional cylinder head modification.

Advanced Thermal Performance
Aircraft-grade aluminium construction assists in dissipating excess top-end heat for improved reliability in demanding racing environments.

Hardened Roller Tips
Chrome moly steel roller tips are hardened and precision-ground with generous diameter for reduced valve tip wear. Positively retained via internal circlip, they ensure smoother operation, reduced friction, quieter running, and consistent lash maintenance.

Product Specifications

• Part Number: YT 6636

• Application: Brodix Track 1 Ford F-Series Cylinder Heads

• Configuration: Twin Shaft Rocker System

• Ratios: 1.6:1 Intake / 1.6:1 Exhaust

• Hardware: Heavy-duty 7/16" and 10mm

• Maximum Spring Pressure: 900 lbs (open)

About Brodix Track 1 Cylinder Heads

The Brodix Track 1 series has become the cylinder head of choice for Ford Windsor-based racing engines. Designed for bolt-on horsepower, reliability, and reduced weight, these heads are available in a range of configurations from bare castings to fully CNC-ported and assembled packages.

Track 1 heads feature a 0.500” raised exhaust port, with the T1 F X model incorporating the advanced “N” exhaust port design, available in port volumes ranging from 195cc to 225cc for maximum airflow and race performance.

Tech Spec