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Kelford camshafts, Ford Mustang 2.3 EcoBoost (2015-2023)
1 028,00 €
Kelford camshafts for the Ford Mustang 2.3 EcoBoost engine. Choose a profile to suit your engine parts and intended use. Profile specifications and required modifications are detailed below.
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Kelford is a New Zealand camshaft manufacturer with roots in Christchurch dating back to 1968. Its profiles range from upgrades for street-driven cars to fully built race engines. Choose the cam around the rest of the engine and its intended use, rather than simply picking the longest duration.
This selection is for the Ford Mustang 2.3 EcoBoost engine. Profile differences, spring recommendations and required modifications are detailed below.
Technical specifications – available profiles for this engine
Profile 250-A
For a near-standard Mustang 2.3 EcoBoost used on the street or at track days. Suitable for a 48–64 mm turbo and up to approximately 650 hp. Requires upgraded springs, the KVS250X-T spring and retainer kit is recommended. Check piston-to-valve clearance before installation.
| Specification | Intake | Exhaust |
|---|---|---|
| Valve clearance | 0.25mm cold at the cam | 0.30mm cold at the cam |
| Cam lift | 9.75mm | 9.30mm |
| Rocker ratio | 1 | 1 |
| Net valve lift | 9.50mm | 9.00mm |
| Advertised duration @ 0.10mm | 262° | 252° |
| Duration @ 1.00mm valve lift | 220° | 216° |
| Timing IVO @ 1.00mm valve lift | 22 ATDC | – |
| Timing IVC @ 1.00mm valve lift | 62 ABDC | – |
| Timing EVO @ 1.00mm valve lift | – | 40 BBDC |
| Timing EVC @ 1.00mm valve lift | – | 4 BTDC |
| Suggested centre lines | 132° | 112° |
| Valve lift at TDC | 0.08mm | 0.73 mm |
Manufacturer profile information
Profile 250-B
For a built Mustang 2.3 EcoBoost racing engine making over 700 hp with a 64–72 mm turbo. Focuses on high-rpm, high-boost power. Requires upgraded springs, KVS250X-T is recommended. Piston-to-valve clearance must be checked.
| Specification | Intake | Exhaust |
|---|---|---|
| Valve clearance | 0.25mm cold at the cam | 0.30mm cold at the cam |
| Cam lift | 10.75mm | 10.80mm |
| Rocker ratio | 1 | 1 |
| Net valve lift | 10.50mm | 10.50mm |
| Advertised duration @ 0.10mm | 268° | 278° |
| Duration @ 1.00mm valve lift | 232° | 236° |
| Timing IVO @ 1.00mm valve lift | 16 ATDC | – |
| Timing IVC @ 1.00mm valve lift | 68 ABDC | – |
| Timing EVO @ 1.00mm valve lift | – | 50 BBDC |
| Timing EVC @ 1.00mm valve lift | – | 6 ATDC |
| Suggested centre lines | 132° | 112° |
| Valve lift at TDC | 0.15mm | 1.65 mm |
Manufacturer profile information
Profile 250-EZ
An EZ profile for the Mustang 2.3 EcoBoost with factory springs and internal components. The manufacturer's suggested range is approximately 320+ hp with a turbo upgrade. KVS250X-T springs are recommended for high-mileage engines.
| Specification | Intake | Exhaust |
|---|---|---|
| Valve clearance | 0.25mm cold at the cam | 0.30mm cold at the cam |
| Cam lift | 8.25mm | 7.80mm |
| Rocker ratio | 1 | 1 |
| Net valve lift | 8.00mm | 7.50mm |
| Advertised duration @ 0.10mm | 250° | 248° |
| Duration @ 1.00mm valve lift | 210° | 206° |
| Timing IVO @ 1.00mm valve lift | 27 ATDC | – |
| Timing IVC @ 1.00mm valve lift | 57 ABDC | – |
| Timing EVO @ 1.00mm valve lift | – | 35 BBDC |
| Timing EVC @ 1.00mm valve lift | – | 9 BTDC |
| Suggested centre lines | 132° | 112° |
| Valve lift at TDC | 0.05mm | 0.47mm |
Manufacturer profile information
Checking heights are shown with the duration figures. Net lift is the net valve movement specified by the manufacturer, while cam lift is listed separately. IVO/IVC denote intake valve opening/closing and EVO/EVC exhaust valve opening/closing. BTDC/ATDC mean before/after top dead centre, and BBDC/ABDC before/after bottom dead centre.
Installation and profile selection
Confirm the exact engine version, valvetrain design and the modifications required by the profile. Check cam timing and valve-to-piston clearance during installation. Springs, lifters and other supporting parts mentioned with a profile are not included unless the profile explicitly states that they come with the kit.
Examples of related vehicle applications
- Ford Mustang S550 2.3 EcoBoost (2015–2023)
The list covers versions with the specified engines only. Exact fitment and required modifications depend on the selected profile, cylinder head, lifters and timing system.
| Weight | 10 kg |
|---|---|
| Brand |
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