Product Overview
Kelford 267-C 282/290 Drag Racing Camshafts for Toyota G16E-GTS
The Kelford 267-C 282/290 Drag Racing Camshaft Set is a serious high-performance valvetrain upgrade developed for extensively modified Toyota G16E-GTS engines used in drag racing and high-power motorsport applications.
Designed for the turbocharged 1.6-litre three-cylinder G16E-GTS found in vehicles including the Toyota GR Yaris and Toyota GR Corolla, the 267-C sits at the aggressive end of Kelford’s G16E-GTS camshaft range.
This is not a mild road-car camshaft upgrade. The 267-C is designed for professionally built engines running large turbochargers and high engine speeds, making it ideally suited to dedicated competition cars and extreme GR Yaris or GR Corolla builds.
Built for High-RPM G16E-GTS Performance
The G16E-GTS has established itself as an exceptionally capable performance engine, but serious increases in airflow and turbocharger capacity require an appropriately developed valvetrain.
Kelford’s 267-C drag racing camshafts use a high-duration profile engineered to increase the engine’s breathing capability at elevated RPM.
The intake cam features 282 degrees advertised duration, while the exhaust cam uses an even more aggressive 290-degree duration.
Combined with 11.70mm net valve lift on both intake and exhaust, the profile is intended to support the airflow demands of heavily modified engines and large turbocharger systems.
Designed for 62mm+ Turbo G16E-GTS Builds
Kelford specifies the 267-C for engines using 62mm or larger turbochargers.
This makes the camshaft set particularly relevant for GR Yaris and GR Corolla builds that have moved far beyond factory turbocharger capability.
Typical supporting modifications for an engine at this level may include:
- Large-frame upgraded turbocharger
- Forged engine internals
- Built cylinder head
- Upgraded valve springs
- Improved fuel system
- Performance intake system
- High-flow exhaust system
- Upgraded intercooler
- Standalone or advanced engine management
- Custom ECU calibration
- Motorsport transmission and drivetrain upgrades
The exact specification required will depend on the individual engine build and intended use.
282° Intake / 290° Exhaust Cam Profile
The aggressive specifications of the Kelford 267-C G16E-GTS cams clearly differentiate them from a conventional fast-road camshaft.
Advertised Duration
Intake: 282°
Exhaust: 290°
Duration at 1.00mm Valve Lift
Intake: 244°
Exhaust: 248°
Net Valve Lift
Intake: 11.70mm
Exhaust: 11.70mm
These characteristics make the 267-C particularly suitable where maximum high-RPM airflow and engine performance take priority over the characteristics expected from a near-standard road engine.
Developed Specifically for Toyota G16E-GTS
Rather than being a generic racing camshaft adapted to the engine, the 267-C has been designed specifically around the Toyota G16E-GTS valvetrain geometry.
The camshaft specification uses:
Cam lift: 6.74mm intake / 6.74mm exhaust
Rocker ratio: 1.735 intake / 1.735 exhaust
Net valve lift: 11.70mm intake / 11.70mm exhaust
This makes the 267-C a specialist camshaft solution for serious G16E-GTS engine builders.
Ideal for GR Yaris Drag Racing Builds
For owners developing a Toyota GR Yaris drag car, roll-racing car or dedicated high-power motorsport vehicle, the Kelford 267-C provides a cam profile aimed specifically at the upper end of G16E-GTS performance.
The GR Yaris combines a lightweight chassis and sophisticated GR-FOUR drivetrain with the highly tunable G16E-GTS engine, which has made it a popular platform for increasingly extreme performance builds.
Once turbocharger size, cylinder-head airflow and engine RPM move significantly beyond factory specification, camshaft selection becomes an important part of allowing the engine to exploit the additional airflow available.
The Kelford 267-C is designed precisely for this type of application.
Toyota GR Corolla G16E-GTS Applications
The same G16E-GTS engine architecture is also used in the Toyota GR Corolla, making the 267-C suitable for appropriately prepared GR Corolla competition builds.
Always confirm the complete engine specification and valvetrain configuration before installation.
Kelford KVS264 Valve Spring & Retainer Upgrade Recommended
Kelford recommends its KVS264 valve spring and retainer kit when using the 267-C camshaft profile.
An upgraded valvetrain is particularly important in high-RPM applications where controlling the valves accurately becomes increasingly demanding.
For a professional racing engine build, the complete cylinder-head and valvetrain specification should be selected as a system rather than treating the camshafts as an isolated upgrade.
Camshaft Timing Specifications
At 1.00mm valve lift, the Kelford specifications are:
Intake Valve Opens (IVO): 12° BTDC
Intake Valve Closes (IVC): 52° ABDC
Exhaust Valve Opens (EVO): 62° BBDC
Exhaust Valve Closes (EVC): 6° ATDC
Suggested Centre Lines
Intake: 110° ATDC
Exhaust: 118° BTDC
Valve Lift at TDC
Intake: 2.13mm
Exhaust: 0.98mm
Correct camshaft installation, timing verification and piston-to-valve clearance measurement are essential when assembling an engine using a camshaft profile of this specification.
Why Choose Kelford Cams?
Kelford is internationally recognised in the performance and motorsport industry for developing camshaft and valvetrain solutions for modern high-output engines.
The company’s G16E-GTS range provides several levels of camshaft depending on turbocharger size, engine specification and intended vehicle use.
The 267-C represents the drag-racing/high-RPM option for customers building engines significantly beyond conventional road and fast-road specifications.
Why Buy Kelford Cams from Performance Cars Parts UK?
Order your Kelford 267-C G16E-GTS camshaft set from Performance Cars Parts UK for a specialist UK source of performance and motorsport components.
We supply performance parts for Japanese, European and specialist performance vehicles, including products for:
- Toyota GR Yaris
- Toyota GR Corolla
- G16E-GTS engine builds
- Big-turbo conversions
- Forged engine builds
- Motorsport and drag-racing applications
- Performance valvetrain upgrades
For compatibility or supporting component advice, contact us before ordering.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Kelford Cams |
| Manufacturer Part Number | 267-C |
| SKU | 267-C |
| Engine Manufacturer | Toyota |
| Engine | G16E-GTS |
| Application | Drag Racing / Motorsport |
| Intake Advertised Duration | 282° |
| Exhaust Advertised Duration | 290° |
| Intake Duration @ 1.00mm Valve Lift | 244° |
| Exhaust Duration @ 1.00mm Valve Lift | 248° |
| Intake Cam Lift | 6.74mm |
| Exhaust Cam Lift | 6.74mm |
| Intake Rocker Ratio | 1.735 |
| Exhaust Rocker Ratio | 1.735 |
| Intake Net Valve Lift | 11.70mm |
| Exhaust Net Valve Lift | 11.70mm |
| Intake Centre Line | 110° ATDC |
| Exhaust Centre Line | 118° BTDC |
| Intake Valve Lift @ TDC | 2.13mm |
| Exhaust Valve Lift @ TDC | 0.98mm |
| Recommended Turbo Size | 62mm+ |
| Recommended Valve Spring Kit | Kelford KVS264 |
| Intended Use | Professionally built high-RPM engines |
Vehicle Applications
Toyota GR Yaris – G16E-GTS 1.6 Turbo
Toyota GR Corolla – G16E-GTS 1.6 Turbo
Fitment should always be confirmed using the engine code and complete engine specification rather than vehicle registration alone.
Important Installation Information
This is a specialist motorsport camshaft set and is not intended as a simple drop-in upgrade for a standard engine.
The 267-C is designed for professionally built G16E-GTS engines.
Professional installation and engine calibration are strongly recommended.
Before final assembly, the engine builder should verify all relevant clearances and valvetrain geometry, including piston-to-valve clearance, valve spring specification and camshaft timing.
Kelford recommends the KVS264 valve spring and titanium retainer kit for this application.
WooCommerce Product Attributes
Brand: Kelford Cams
Manufacturer: Kelford
Part Number: 267-C
Engine Code: G16E-GTS
Engine Size: 1.6L Turbo
Camshaft Duration: 282° Intake / 290° Exhaust
Valve Lift: 11.70mm Intake / 11.70mm Exhaust
Vehicle: Toyota GR Yaris / Toyota GR Corolla
Recommended Turbo: 62mm+
Usage: Drag Racing / Motorsport / High-RPM Engine
Product Category: Camshafts
FAQ Content
Will Kelford 267-C camshafts fit the Toyota GR Yaris?
The Kelford 267-C camshaft set is designed for the Toyota G16E-GTS engine used in the GR Yaris. It is intended specifically for professionally built, high-performance engines rather than standard road-car applications.
Are Kelford 267-C cams suitable for a standard GR Yaris?
No. The 267-C is an aggressive drag-racing profile developed for professionally built G16E-GTS engines and large turbocharger applications. For a less extensively modified vehicle, another camshaft profile in Kelford’s G16E-GTS range may be more appropriate.
What turbo size are Kelford 267-C cams designed for?
Kelford specifies the 267-C drag racing camshafts for 62mm+ turbocharger applications.
What is the lift of Kelford 267-C camshafts?
Both the intake and exhaust profiles provide 11.70mm net valve lift.
What duration are Kelford 267-C cams?
The advertised duration is 282° intake and 290° exhaust. Duration measured at 1.00mm valve lift is 244° intake and 248° exhaust.
Do I need upgraded valve springs with Kelford 267-C cams?
Kelford recommends its KVS264 performance valve spring, base and titanium retainer kit for the 267-C application.
Do Kelford 267-C cams fit the Toyota GR Corolla?
The 267-C is designed for the G16E-GTS engine and Kelford lists the GR Corolla among its applications. Vehicle and engine specifications should still be confirmed before ordering.
Are these camshafts suitable for drag racing?
Yes. Kelford specifically developed the 267-C profile as its drag-racing camshaft option for high-RPM G16E-GTS engines.
