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Kelford camshafts, Honda K20C4 2.0 Turbo (2018-2022)
1 487,00 €
Kelford camshafts for the Honda K20C4 2.0 Turbo 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 Honda K20C4 2.0 Turbo engine. Profile differences, spring recommendations and required modifications are detailed below.
Technical specifications – available profiles for this engine
Profile 379-A
Street and track-day profile for the K20C4, making over 450 hp with a 54–66 mm turbo. Adds mid-range and top-end pull. The high lift requires upgraded springs, with KVS279-BT recommended up to 9000 rpm. Piston-to-valve clearance must be checked. Low exhaust lobe: 240° / 9.9 mm.
| Specification | Intake | Exhaust |
|---|---|---|
| Valve clearance | 0.25mm hot at the valve | 0.25mm hot at the valve |
| Cam lift | 6.33mm | 6.50mm |
| Rocker ratio | 1.73 | 1.73 |
| Net valve lift | 10.70mm | 11.00mm |
| Advertised duration @ 0.10mm | 264° | 270° |
| Duration @ 1.00mm valve lift | 224° | 224° |
| Suggested centre lines | VTC | VTC |
Manufacturer profile information
Profile 379-B
For a built K20C4 racing engine used in circuit, roll or drag racing. Intended for over 700 hp with a 64 mm or larger turbo. High lift requires upgraded springs, KVS279-BT is recommended up to 9,250 rpm. Check piston-to-valve clearance. Low-speed exhaust lobe: 256° / 9.90 mm.
| Specification | Intake | Exhaust |
|---|---|---|
| Valve clearance | 0.25mm hot at the valve | 0.25mm hot at the valve |
| Cam lift | 7.37mm | 7.23mm |
| Rocker ratio | 1.73 | 1.73 |
| Net valve lift | 12.50mm | 12.25mm |
| Advertised duration @ 0.10mm | 282° | 278° |
| Duration @ 1.00mm valve lift | 240° | 234° |
| Suggested centre lines | VTC | VTC |
Manufacturer profile information
Profile 379-EZ
Street and track-day profile for original springs. Adds mid-range and top-end pull while retaining a smooth idle. Suits the original turbo or a 48–55 mm upgrade with tuning of the factory ECU. Retain the original rev limit with stock springs. Low exhaust lobe: 234° / 9.9 mm.
| Specification | Intake | Exhaust |
|---|---|---|
| Valve clearance | 0.25mm hot at the valve | 0.25mm hot at the valve |
| Cam lift | 5.87mm | 6.16mm |
| Rocker ratio | 1.73 | 1.73 |
| Net valve lift | 9.90mm | 10.40mm |
| Advertised duration @ 0.10mm | 252° | 260° |
| Duration @ 1.00mm valve lift | 212° | 216° |
| Suggested centre lines | VTC | VTC |
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
- Honda Accord 2.0T, K20C4 (2018–2022)
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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