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Viper Typhoon

Please note prices are subject to change (30.3.23)

Viper TYPHOON Hydraulic Camshaft

Viper Typhoon DW270

DW270 Viper TYPHOON Hydraulic Camshaft

Ideal for use with a Holley 390, stage 2 heads, Edelbrock or Offenhauser manifold, Rhoads, 1-1/2" headers, 9.75 compression pistons and a Mallory distributor.

Dyno tested on a 3.5L with all the above modifications gave 252bhp @ 6000 rpm.

Installation: use DW550 valve springs & DW520 top caps.

Machine the top off the valve guides (.100") or use shortened hi-flow guides DW125 & DW135.

Use DW400 shims or AZ1005 adjustable pushrods to set lifter preload. All preload setting info supplied with each camshaft.

DW270 specification   

RPM Range: 2000-6200rpm

Intake lobe centre: 111 degrees ATDC (at top dead centre)

Lobe separation: 111 camshaft degrees

Duration: @ 0.050” lift: 220 degrees (inlet) 220 degrees (exhaust)

Lift: 1.60 Rockers Inlet: 0.480” Exhaust: 0.480”

Cam lobe lift: 0.300" inlet and exhaust

Viper Typhoon camshaft

Just the Camshaft

DW270 TYPHOON Hydraulic Camshaft  including Cam Lube & cam bolt.

​​Comp Cams running in oil (BY1590 x 6) and Comp Cams Break-In oil additive (BY159 Extra Zinc) required to protect the camshaft from damage during running in period). Non-compliance will negate the warranty.

Cam Kit (1)

  • DW270 Viper TYPHOON Hydraulic Camshaft with cam lube and bolt

  • Comp Cams Running in oil (x 6)

  • Comp Cams Break-in Oil Additive (x 1)

Comp Cams Break-In oil 1qt
Comp Cams Break-In additive

Cam Kit (2)

  • DW270 Viper TYPHOON Hydraulic Camshaft with cam lube and bolt

  • Comp Cams Running in oil

  • Comp Cams Break-in Oil Additive

  • Std. Hydraulic tappets/lifters/followers (set of 16)

  • Double valve springs (DW550)

  • Double valve spring top caps (DW520)

DW550 double springs

Cam Kit (3)

  • DW270 Viper TYPHOON Hydraulic Camshaft with cam lube and bolt

  • Comp Cams Running in oil

  • Comp Cams Break-in Oil Additive

  • Double valve springs (DW550)

  • Double valve spring top caps (DW520)

  • Shortened flow guides inlet (x8) (DW125)

  • Shortened flow guides exhaust (x8) (DW135)

  • Valve spring shims (BY6)

  • Std. Hydraulic tappets/lifters/followers (set of 16) for rpm less than 5000rpm Please call for alternative lifters in >5000rpm

  • Cloyes “Street True-Roller” set. Cast iron cam gear, Induction heat treated, billet steel crank gear [3 key ways], True-roller chain with .250” rollers. Made in the USA. (BY9-1132)

  • Rocker pillar preload shim kit (DW400)

  • Inlet manifold (valley) gasket Premium

  • Rubber end seals

Other gaskets included e.g. timing cover, water pump. Please give engine type/vehicle model when ordering

Cloyes duplex true  BY91132 timing set

Warranty

Comp Cams running in oil (BY1590 x 6) and Comp Cams Break-In oil additive (BY159 Extra Zinc) required to protect the camshaft from damage during running in period). Non-compliance will negate the warranty.

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