Kelford nokka-akselit, Toyota 2RZ-FE / 3RZ-FE (1989-2004)

Kelford camshafts, Toyota 2RZ-FE / 3RZ-FE (1989-2004)

1 315,00 €

Kelford camshafts for the Toyota 2RZ-FE / 3RZ-FE 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: 180 Category: Camshafts

Description
Additional information

Kelford camshafts, Toyota 2RZ-FE / 3RZ-FE

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 Toyota 2RZ-FE / 3RZ-FE engine. Profile differences, spring recommendations and required modifications are detailed below.

Technical specifications – available profiles for this engine

Profile 180-A

Stage 1 for a turbocharged 3RZ-FE with a 54–64 mm turbo. Suitable for dune and off-road use while retaining street manners. Adds mid-range pull with responsive throttle behaviour. Recommended springs: KVS180-BT.

Specification	Intake	Exhaust
Valve clearance	0.25mm cold at the cam	0.25mm cold at the cam
Cam lift	9.90mm	9.90mm
Rocker ratio	1	1
Net valve lift	9.65mm	9.65mm
Advertised duration @ 0.10mm	264°	272°
Duration @ 1.00mm valve lift	228°	232°
Timing IVO @ 1.00mm valve lift	7 BTDC	–
Timing IVC @ 1.00mm valve lift	41 ABDC	–
Timing EVO @ 1.00mm valve lift	–	52 BBDC
Timing EVC @ 1.00mm valve lift	–	0 TDC
Suggested centre lines	107°	116°
Valve lift at TDC	1.73mm	0.94 mm

Manufacturer profile information

Profile 180-B

Stage 2 for a turbocharged Hilux or Tacoma 3RZ-FE with a 58–70 mm turbo. Adds mid-range and top-end pull for dune or roll racing. Recommended springs: KVS180-BT.

Specification	Intake	Exhaust
Valve clearance	0.25mm cold at the cam	0.25mm cold at the cam
Cam lift	10.20mm	10.20mm
Rocker ratio	1	1
Net valve lift	9.95mm	9.95mm
Advertised duration @ 0.10mm	272°	278°
Duration @ 1.00mm valve lift	236°	240°
Timing IVO @ 1.00mm valve lift	8 BTDC	–
Timing IVC @ 1.00mm valve lift	48 ABDC	–
Timing EVO @ 1.00mm valve lift	–	58 BBDC
Timing EVC @ 1.00mm valve lift	–	2 ATDC
Suggested centre lines	110°	118°
Valve lift at TDC	1.83mm	1.30 mm

Manufacturer profile information

Profile 180-C

A high-rpm drag profile for a 3RZ with a 70 mm or larger turbo and alcohol fuel. Can be used with factory buckets. Recommended springs: KVS180-BT.

Specification	Intake	Exhaust
Valve clearance	0.25mm cold at the cam	0.25mm cold at the cam
Cam lift	10.85mm	10.45mm
Rocker ratio	1	1
Net valve lift	10.60mm	10.20mm
Advertised duration @ 0.10mm	290°	290°
Duration @ 1.00mm valve lift	252°	252°
Timing IVO @ 1.00mm valve lift	16 BTDC	–
Timing IVC @ 1.00mm valve lift	56 ABDC	–
Timing EVO @ 1.00mm valve lift	–	64 BBDC
Timing EVC @ 1.00mm valve lift	–	8 ATDC
Suggested centre lines	110°	118°
Valve lift at TDC	2.67mm	1.96 mm

Manufacturer profile information

Profile 180-D

For a 3RZ drag engine making over 800 hp with a 72 mm or larger turbo and alcohol fuel. The fast lobe profile requires shimless buckets, such as DLC-coated KCF-180 followers. Recommended springs: KVS180-BT.

Specification	Intake	Exhaust
Valve clearance	0.25mm cold at the cam	0.25mm cold at the cam
Cam lift	11.25mm	11.25mm
Rocker ratio	1	1
Net valve lift	11.00mm	11.00mm
Advertised duration @ 0.10mm	280°	286°
Duration @ 1.00mm valve lift	240°	246°
Timing IVO @ 1.00mm valve lift	10 BTDC	–
Timing IVC @ 1.00mm valve lift	50 ABDC	–
Timing EVO @ 1.00mm valve lift	–	61 BBDC
Timing EVC @ 1.00mm valve lift	–	5 ATDC
Suggested centre lines	110°	118°
Valve lift at TDC	2.13mm	1.53 mm

Manufacturer profile information

Profile 180-E

For a 3RZ drag engine making over 1,000 hp with a 72 mm or larger turbo and alcohol fuel. The fast lobe profile requires shimless buckets, such as DLC-coated KCF-180 followers. Recommended springs: KVS180-BT.

Specification	Intake	Exhaust
Valve clearance	0.25mm cold at the cam	0.25mm cold at the cam
Cam lift	11.80mm	11.85mm
Rocker ratio	1	1
Net valve lift	11.55mm	11.60mm
Advertised duration @ 0.10mm	288°	306°
Duration @ 1.00mm valve lift	250°	263°
Timing IVO @ 1.00mm valve lift	13 BTDC	–
Timing IVC @ 1.00mm valve lift	57 ABDC	–
Timing EVO @ 1.00mm valve lift	–	69.5 BBDC
Timing EVC @ 1.00mm valve lift	–	13.5 ATDC
Suggested centre lines	112°	118°
Valve lift at TDC	2.49mm	2.49 mm

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

Toyota Tacoma 2.4/2.7 (1995–2004)
Toyota Hilux 2.4/2.7 (1997–2004)
Toyota 4Runner 2.7 (1996–2000)
Toyota Land Cruiser Prado J90 2.7 (1996–2002)
Toyota Hiace 2.4/2.7 (1989–2004)
Toyota Granvia 2.7 (1995–2002)
Toyota Touring Hiace 2.7 (1997–2002)
Toyota Regius 2.7 (1997–2002)
Toyota T100 2.7 (1994–1998)
Toyota Dyna / Toyoace 2.7 3RZ-FE (1995–2004)

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