11
ROLL-CENTER
CHASSIS ALTERNATIVES
VIDEO TECH TIP
▶
303119-K
SHIM 3x9x2
303123-K
SHIM 3x6x2
903308
SFH M3x8
901308
SB M3x8
901408
SB M4x8
SUSPENSION ARMS
Make sure to use 8mm
set screw for front arms.
LEFT = RIGHT
L=R
3.0mm
3x9x2mm (X4 Graphite)
3x6x2mm (X4 Alu)
3x9x2mm (X4 Graphite)
3x6x2mm (X4 Alu)
2. FRONT & REAR SUSPENSION
3.0mm
3x8mm
2mm
2mm
2mm
2mm
4x8mm
DETAIL
FRONT LOWER ARMS
#302181-M LEFT MEDIUM INCLUDED X4 GRAPHITE
#302180-M RIGHT MEDIUM INCLUDED X4 GRAPHITE
#302181-H LEFT HARD INCLUDED X4 ALU
#302180-H RIGHT HARD INCLUDED X4 ALU
REAR LOWER ARMS
#303181-M LEFT MEDIUM INCLUDED X4 GRAPHITE
#303180-M RIGHT MEDIUM INCLUDED X4 GRAPHITE
#303181-H LEFT HARD INCLUDED X4 ALU
#303180-H RIGHT HARD INCLUDED X4 ALU
We recommend the MEDIUM hardness of the lower suspension arms for asphalt. These
arms are more flexible than the H (hard) arms.
For carpet racing and even some high-grip asphalt conditions, we recommend the
HARD suspension arms.
RAISING THE LOWER ARMS will raise the car’s roll center. Raising the lower
arms both front and rear will free up the car, and will make it initially
more responsive. Side bite will be decreased. A higher roll center is typically
recommended for asphalt racing.
LOWERING THE LOWER ARMS will lower the car’s roll center. Lowering both
the front and rear arms will lock in the car more, and will make it initially
less responsive. Side bite will be increased. A lower roll center is typically
recommended for carpet racing.
ROLL-CENTER ADJUSTMENT
#302121
FRONT ROLL-CENTER SPACER (2)
#302122
REAR ROLL-CENTER SPACER (2)
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