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Skunk2
Camshafts:
Skunk2 Racing
camshaft profiles are designed using the latest computerized
valvetrain and modeling techniques to maximize horsepower and
torque. Our camshafts are designed utilizing years of racing
experience. These camshaft blanks are cast from the same foundries
used by auto manufacturers such as Toyota, Nissan, Honda, and
Mitsubishi, and utilize the latest in Japanese chill-casting
technology. Skunk2 Racing camshafts are ground to exact
specification using CNC cam grinding machines and are subjected to
hours of performance and durability testing. Skunk2 Racing camshafts
must pass stringent quality control standards that exceed OE
requirements.
Stage I: Stage I profiles are designed to offer the widest
possible powerband and be compatible with factory valvetrain
components. These camshafts are designed to retain stock idle and
are currently CARB EO-pending. Upgrading to Skunk2 Racing valve
springs is recommended. Stage I profiles are relatively easy to tune
for maximum power output.
Stage II: Stage II profiles are more aggressive than Stage I
profiles, and are designed for modified engines operating at higher
rev ranges. Upgrading to Skunk2 Racing valvetrain components is
required for proper operation. Stock idle and emission
characteristics may be slightly compromised, but fair-to-good
driveability allows them to still be used on dual-purpose vehicles.
Proper tuning, an upgraded intake system, and an exhaust system are
required in order to maximize the potential of these camshafts. Do
not use oversized valves.
Stage III: Stage III profiles are designed for purpose-built
race engines with high-rpm capabilities only! Upgrading to Skunk2
Racing valvetrain components and extensive engine work is required
for the proper functioning of these camshafts. Compression and
engine flow must also be significantly increased. Stage III
camshafts should be installed and tuned by professional engine
builders only! Do not use oversized valves.
Turbo: Turbo profiles are designed for engines with forced
induction. Aggressive lift and valve opening/closing motions allow
these cams to maximize power with a minimum amount of overlap. Each
profile is designed with extensive input from the top racers in the
sport compact industry.
Valves 
Skunk2 Racing valves are made from SAE EV8 stainless one-piece
forgings, which are then heat-treated using a proprietary heat
treatment process. After CNC-machining and swirl polishing, a PVD
black nitride coating is applied to reduce friction and increase
wear resistance. Skunk2 Racing valves are lightweight, durable, and
offer excellent heat and corrosion resistance. Skunk2 Racing valves
are available in standard and high compression styles and also in
various sizes. Oversized valves should not be used with standard
size valve seats or with Stage II and III VTEC camshafts.
Valve springs 
Skunk2 Racing valve springs are made from the highest quality
chrome silicone wire from Japan. These valve springs are designed
from our experiences in touring car and drag racing. The dual
interference fit valve spring design prevents harmonics and valve
float. All valve springs are race tested and proven and can be used
with both forced induction and naturally aspirated engines.
Retainers
Skunk2 Racing retainers are CNC-machined from the strongest
aerospace quality titanium and are designed to significantly reduce
overall valvetrain mass. Skunk2 Racing retainers are machined to
extremely close tolerances in order to ensure properly installed
spring heights and pressures.
Intake Manifold
The most restrictive part of any induction system is the factory
intake manifold. Knowing this, Skunk2 Racing went to great lengths
to design and manufacture an appropriate aftermarket replacement.
Skunk2 Racing manifolds are designed to maximize flow as well as
increase the effects of wave scavenging at each engine's key
operating RPM range. Each manifold is designed to use all the stock
sensors and auxiliaries.
Some key features:
-Single-stage intake manifold design
-Significant mid to high range power gains
-CARB EO-pending
-Factory throttle body may be reused
-Utilizes all factory sensors
-Larger plenum and runners to optimize horsepower
Cam gears
Adjustable cam gears allow engine tuners to optimize horsepower
and torque by adjusting camshaft timing. All adjustable cam gears
are CNC-machined from AL7075-T6 billet aluminum. The 6-bolt design
eliminates any chance of slippage, while the hard-anodized finish
prevents premature wear. The timing marks are laser-etched and each
offer over +/- 10 of adjustment. Skunk2's cam gear design has been
proven on race cars in the most extreme conditions, and has proven
to be the most reliable cam gear on the market.
Stainless steel exhaust header
Each exhaust header is constructed from T-304 stainless steel.
These headers feature fully polished tubing and flanges. All headers
are designed and engineered to maximize exhaust flow to increase
horsepower and torque.
Exhaust
system
Mega Power cat-back systems are constructed from T-304 stainless
steel and feature Japanese Super-N1design and styling. Each exhaust
is mandrel-bent using properly sized tubing for maximum flow and is
finished off with a low restriction racing muffler. Most mufflers
feature a single 102mm polished tip with an acid-etched Skunk2
Racing badge. Systems are available in standard and full-polished
finishes. Each system comes complete with a removable silencer and
all necessary hardware. Mega Power universal mufflers are also
available separately.
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