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Exhaust Front Section OEM GTV (See Details)
Exhaust Front Section OEM GTV (See Details)
$99.00
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Camshaft STREET 12.0mm High Performance
[SA445]
$325.00

All of our street/performance cams are daily driver friendly with gentle opening ramps for good idle and transition with no lag or flat spots.  Our custom designs have progressively more top end.

STREET HIGH PERFORMANCE

NEW CAM   (No Exchange Necessary.)

This #445 12.0mm lift cam is the tried and true very successful Jim K 303 design (also sold by Kent Cams).

Installed as INTAKE CAM with 11.0mm SA424 EXHAUST CAM, the broad smooth power band makes it very popular for street performance, as well as rally and vintage racers. This combination is renowned for both remarkable low end torque and top end.  Duration @.050" 266 degrees. 

PORTING:  Cleaning up the bowls from valve seats to back guides is quite sufficient for street performane cams without enlarging the runners.  Full porting is marginaly appropriate for street unless you plan to do track days.  Enlarging the ports enhances gain from midrange up and pays handsomely above 7000 rpm.

VALVES:  Enlarging the window into the chambers with our 1mm oversize valves is equally valuable and lets cams have full affect for both street performance and race.

HEADERS:  Cam and porting do make a big difference on their own, but these enhancements will only reach their full potential with our Spruell Motorsport free flow headers.

FEATURES:

  • Locktab furnished with cam.
  • Our cams have super durable lobes that are first hardwelded before precision Webcam regrinding.
  • To minimize lobe interference with follower bores with high lift performance cams, the base circle is undercut to 1.030."
  • We strongly recommend upgrading to VSS12-1 springs for 11.6 and 12mm lift cams.

All new and reground cams should be installed with new followers.  There is risk of damage with old followers.

UPGRADES:

  • Extra for lock tabs $3.00 each.
  • Set of followers, add $145.00.

 

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Spruell Motorsport Alfa is your source for performance parts for Alfa Romeo.
We specialize in Alfa Romeo 101, 105 and 115 drive train products for engine and gearbox.
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