Kelford nokka-akselit, Nissan RB25DET NEO, shimless HV (1998-2002)

Kelford camshafts, Nissan RB25DET NEO, shimless HV (1998-2002)

1 078,00 €

Kelford camshafts for the Nissan RB25DET NEO, shimless HV engine. Choose a profile to suit your engine parts and intended use. Profile specifications and required modifications are detailed below.

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SKU: 244HV Category: Camshafts

Description
Additional information

Kelford camshafts, Nissan RB25DET NEO, shimless HV

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 Nissan RB25DET NEO, shimless HV engine. Profile differences, spring recommendations and required modifications are detailed below.

Technical specifications – available profiles for this engine

Profile 244HV-A

High-lift profile for an RB25DET NEO race engine. Requires a shimless valvetrain and professional head machining. In Kelford's 34 mm bucket arrangement, intake valve-tip height is 45.10–45.40 mm and exhaust height is 49.00–49.30 mm. Final clearances are set by machining the valve tips. Kelford recommends using a torque plate. Compatible springs: KVS244-BT. This product supplies camshafts. Buckets, valves, springs and other parts from the separately offered complete valvetrain kit are not included.

Specification	Intake	Exhaust
Duration (checking height not stated)	264°	272°
Valve lift	10.8mm	10.8mm

Manufacturer profile information

Profile 244HV-B

High-lift race profile for the RB25DET NEO. Requires a shimless valvetrain and professional head machining. In Kelford's 34 mm bucket arrangement, intake valve-tip height is 45.10–45.40 mm and exhaust height is 49.00–49.30 mm. Final clearances are set by machining the valve tips. Kelford recommends using a torque plate. Compatible springs: KVS244-BT. This product supplies camshafts, without the buckets, valves, springs or other parts of the separately offered complete valvetrain kit.

Specification	Intake	Exhaust
Duration (checking height not stated)	268°	280°
Valve lift	11.0mm	11.0mm

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

Nissan Skyline R34 25GT Turbo, RB25DET NEO (1998–2002)
Nissan Stagea WC34 RS Four / RS V, RB25DET NEO (1998–2001)
Nissan Laurel C35 RB25DET NEO (1998–2002)

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.

Kelford Cams