Name: Kelford Performance Camshafts - Toyota Supra A90/BMW Z4 G29 (B58)
Brand: Kelford Cams
SKU: KELFORD-258
Price: 2375 AUD
Availability: OutOfStock

Kelford Performance Camshafts - Toyota Supra A90/BMW Z4 G29 (B58) - Sydney Performance Parts & Tyres - Prestons Sydney Australia

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Description
Specifications
Fitment Details
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Description

The Fifth Generation of Toyota Supra officially went on sale in May 2019. The car is a collaboration between BMW and Toyota and as such is equipped with the BMW B58 inline six that can also be found in the G29 BMW Z4. In its standard form the B58 provides the Supra with 250kW which, while healthy, leaves plenty of room for improvement. The Kelford range of catalogue camshafts are currently in production and set to become available in 2020. Our custom spring and Titanium retainer kit is already available.

Camshaft Profiles - Click "Specifications" Tab for profile data:

258-A:

270/268 Degrees advertised duration. 10.3mm/10.15mm lift.
Stage1 Upgrade to suit bolt on parts, 550-750hp engines. Must have valve spring upgrade.

258-B:

285/280 Degrees advertised duration. 9.65mm/10.60mm lift.
Stage2 Cams, suited for built engines running 850-1000hp. Great with aftermarket plenums. Can run using full Valvetronic system or locked in full open position when using an aftermarket throttle body. Must use KVS58-BT spring kit.

258-C:

288/288 Degrees advertised duration. 9.65mm/10.80mm lift.
Stage3 Drag Cams, 1200hp+. Great when using alcohol based fuels and big boost. Recommended locking the Valvetronic system at 100% swing, must use aftermarket intake plenum with single throttle. Suited to professional built engines. Must use KVS58-BT spring kit.

Specifications

258-A

Engine Make:		Engine Model:			Part Number:
TOYOTA		B58 SUPRA			258-A
Valve Clearance:		Intake:	Set		at the
		Exhaust:	Set		at the

Cam Lift:		Intake:		6.35mm	Exhaust:	6.08mm
Rocker Ratio:		Intake:		1.622	Exhaust:	1.67
Nett Valve Lift:		Intake:		10.30mm	Exhaust:	10.15mm
Advertised Duration @	0.10mm	Intake:		270	Exhaust:	268
Duration @	1.00mm VALVE LIFT	Intake:		230	Exhaust:	226
Timing @	1.00mm VALVE LIFT	IVO:			EVO:
		IVC:			EVC:
Suggested Centre Lines:		Intake:		VARI	Exhaust:	VARI
	Lift @ TDC	Intake:			Exhaust:

258-B

Engine Make:		Engine Model:			Part Number:
TOYOTA		B58 SUPRA			258-B
Valve Clearance:		Intake:	Set		at the
		Exhaust:	Set		at the

Cam Lift:		Intake:		6.38mm	Exhaust:	6.35mm
Rocker Ratio:		Intake:		1.622	Exhaust:	1.67
Nett Valve Lift:		Intake:		10.35mm	Exhaust:	10.60mm
Advertised Duration @	0.10mm	Intake:		285	Exhaust:	280
Duration @	1mm VALVE LIFT	Intake:		240	Exhaust:	240
Timing @	1mm VALVE LIFT	IVO:			EVO:
		IVC:			EVC:
Suggested Centre Lines:		Intake:		VARI	Exhaust:	VARI
	Lift @ TDC	Intake:			Exhaust:

258-C

Engine Make:		Engine Model:			Part Number:
TOYOTA		B58 SUPRA			258-C
Valve Clearance:		Intake:	Set		at the
		Exhaust:	Set		at the

Cam Lift:		Intake:		6.70mm	Exhaust:	6.47mm
Rocker Ratio:		Intake:		1.44	Exhaust:	1.67
Nett Valve Lift:		Intake:		9.65mm	Exhaust:	10.80mm
Advertised Duration @	0.10mm	Intake:		288	Exhaust:	288
Duration @	1.00mm VALVE LIFT	Intake:		242	Exhaust:	250
Timing @	1.00mm VALVE LIFT	IVO:		9 BTDC	EVO:	65 BBDC
		IVC:		53 ABDC	EVC:	5 ATDC
Suggested Centre Lines:		Intake:		112	Exhaust:	120
VALVE	Lift @ TDC	Intake:		1.90mm	Exhaust:	1.50

Fitment Details

Vehicle Fitment is provided as a guide only to narrow down results. Please check listing for any additional information (measurements, specifications, additional notes) which may affect compatibility or ask for assistance.

Q&As

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Description
Specifications
Fitment Details
Q&As