SPEC Stage 1
Stage 1 features an integrally molded carbon Kevlar-based,
high performance organic lining that offers smooth engagement and
excellent life. This lining has an integrally bonded steel backing for
strength under high clamp loads and temperatures. The hub is double
sprung with spring cover relieves for flexibility and heat treated
components for strength and durability. Stage 1 is suggested for OEM
replacement, daily driven or lightly modified 135/335.
- Features:
- Steel-backed and
multi-compound woven organic material
- FOR USE WITH STOCK DUAL MASS
FLYWHEEL ONLY
- FITMENT:
- BMW 135 2008-up
- BMW 335 2007-up
Stage 1 Clutch:
SB531
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SPEC Stage 2
Stage 2 features a pure Kevlar disc with steel backing. This
lining features excellent drivability like the Stage 1, but offers
slightly longer life and higher torque capacity. The hub is double
sprung with spring cover relieves for flexibility and heat treated
components for strength and durability. Best for moderately modified or
daily driven 135/335.
- Special Notes:
- Pure Kevlar friction material
- FOR USE WITH STOCK DUAL MASS
FLYWHEEL ONLY
- FITMENT:
- BMW 135 2008-up
- BMW 335 2007-up
Stage 2 Clutch:
SB532
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SPEC Stage 2+
SPEC's Stage 2+ features a multi-friction disc in a full faced
configuration with carbon semi-metallic on one side and Kevlar on the
other. The 2+ offers the drivability and engagement quality of Stage 2,
but with a 15-20% higher torque capacity. The hub is double sprung with
spring cover relieves for flexibility and heat treated components for
strength and durability. Stage 2+ is suggested for highly modified but
daily driven 135/335s that will see some track time.
- Features:
- Hybrid Kevlar and
Carbon-Graphite Friction material
- FOR USE WITH STOCK DUAL MASS
FLYWHEEL ONLY
- FITMENT:
- BMW 135 2008-up
- BMW 335 2007-up
Stage 2+ Clutch:
SB533H
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SPEC Stage 3+
Stage 3+ is the flagship stage for a high powered street or
race car that requires a manageable and friendly engagement. The SPEC
Stage 3+ features a carbon semi-metallic full faced material that offers
unparalleled life, friction coefficient and drivability characteristics
in one single package. The hub is double sprung with spring cover
relieves for flexibility and heat treated components for strength and
durability. Suggested for very highly modified, streetable autocross
& track driven 135/335s.
- Features:
- Carbon semi-metallic friction
material
- FOR USE WITH STOCK DUAL MASS
FLYWHEEL ONLY
- FITMENT:
- BMW 135 2008-up
- BMW 335 2007-up
Stage 3+ Clutch:
SB533F