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7.5# LIGHTER 215mm Steel  Flywheel  - (6 HOLE) NRG for 2.0 GB with 130  RG
7.5# LIGHTER 215mm Steel Flywheel - (6 HOLE) NRG for 2.0 GB with 130 RG
$698.00
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Camshaft FAST ROAD/TRACK DAY 12.0mm High Performance
[SA445]
$325.00

STREET HIGH PERFORMANCE  NEW CAM   (No Exchange Necessary.)

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.  (82-89 USA SPIDERS WITH BOSCH EFI MUST DO WITHOUT VVT FEATURE.)

This #445 12.0mm lift cam is the tried and true very successful Jim K JK303 design.  

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.  Base circle diameter 1.030," Standard 1.075.

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: 

  • Our race cams have super durable lobes that are first hardwelded before precision 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.

CAMSHAFT EXCHANGE CORES REQUIRED

  • Sorry, but we are no longer able to fill customer camshaft orders without exchange cams in hand.  Even after we upped the core charge from $50.00 to $75.00, very few cam cores were returned -- no exceptions.  VERY IMPORTANT:  Read about core return conditions in "Additional Product Information" on the menu.

All new cams should be installed with new followers.   We can only guarantee our cams when installed with new set of Spruell Motorsport followers. 

 

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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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