GSC Power Division Products
STM carries GSC Power-Division high-quality performance cams and valve train components for the Mitsubishi Evo and DSM 4G63 and 4B11, Subaru WRX, STi, Nissan GTR, Audi R8, Lamborghini, Honda, Acura and more!
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GSC 4B11 Evo X Beehive Valve Spring Kit (5042)
$386.39
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GSC 4B11 Evo X Conical Valve Spring Kit (5062)
$466.33
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GSC 4B11 Evo X Exhaust Valve Guides (3011)
from $5.18
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GSC 4B11 Evo X Exhaust Valve Guides with Stopper (3013)
from $5.18
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GSC 4B11 Evo X Exhaust Valves
from $15.04
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GSC 4B11 Evo X Intake Valve Guides (3012)
from $5.18
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GSC 4B11 Evo X Intake Valve Guides with Stopper (3014)
from $5.18
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GSC 4B11 Evo X Intake Valves
from $15.17
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GSC 4B11 Evo X Valve Stem Seals (1010)
$53.55
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GSC 4G63 Beehive High Pressure Spring Kit (5057)
$425.47
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GSC 4G63 Beehive Race Spring Kit (5058)
$469.88
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GSC 4G63 Beehive Spring Kit (5040)
$386.39
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GSC 4G63 Beehive Spring Kit High RPM (5041)
$386.39
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GSC 4G63 Evo 8/9 Beehive Springs (5039)
$208.74
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GSC 4G63 Evo DSM Exhaust Valves
from $15.04
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GSC 4G63 Evo DSM Intake Valves
from $15.17
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GSC 4G63 Evo DSM Valve Stem Seals (1002)
$15.00
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GSC 4G63 Evo DSM Zero-TICK Lifters (4042)
$178.50
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GSC 4G63 Exhaust Valve Guides (3001)
from $5.18
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GSC 4G63 Exhaust Valve Guides Shorty with Stopper (3005)
from $5.18
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GSC 4G63 Exhaust Valve Guides with Stopper (3003)
from $5.18
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GSC 4G63 Intake Valve Guides (3002)
from $5.18
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GSC 4G63 Intake Valve Guides with Stopper (3004)
from $5.18
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GSC 4G63 OEM Replacement Valve Keeper Set (1003)
$29.75
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GSC 4G63 OEM Replacement Valve Spring Seats (1004)
$20.40
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GSC 4G63 Oversized Valve Spring Seats (4041)
$46.19
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GSC 4G63 Race Balance Shaft (8042)
$191.25
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GSC B16 B18 Honda Exhaust Valve Guides (6mm) with Stopper (3049)
from $5.18
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GSC B16 B18 Honda Exhaust Valve Guides with Stopper (3051)
from $5.18
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GSC B16 B18 Honda Intake Valve Guides with Stopper (3052)
from $5.18
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GSC Billet Cams for 2004-2007 STi USDM AVCS
$956.25
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GSC Billet Cams for 2008-2020 STi
$998.75
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GSC Billet Cams for DSM
$599.25
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GSC Billet Cams for Evo 4-8
$599.25
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GSC Billet Cams for Evo 9 MIVEC
$616.25
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GSC Billet Cams for Evo X
$658.75
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GSC Billet Cams for R35 GTR
$1,338.75
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GSC BRZ/FRS/86 Beehive Valve Spring Kit (5056)
$432.58
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GSC BRZ/FRS/86 Dual Valve Spring Kit (5256)
$424.15
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GSC BRZ/FRS/86 Exhaust Valve Guides (3063)
from $5.18
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GSC BRZ/FRS/86 Exhaust Valve Guides with Stopper (3105)
from $5.18
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GSC BRZ/FRS/86 Intake Valve Guides (3064)
from $5.18
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GSC BRZ/FRS/86 Intake Valve Guides with Stopper (3106)
from $5.18
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GSC BRZ/FRS/86 Single Valve Spring Kit (5756)
$288.68
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GSC D16 Honda Valve Guides with Stopper (3060)
from $5.18
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GSC EJ WRX/STi Beehive Valve Spring Kit (5043)
$386.39
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GSC EJ WRX/STi Conical Dual Valve Spring Kit (5074)
$604.01
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GSC EJ WRX/STi Conical High Pressure Valve Spring Kit (5073)
$488.54
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GSC EJ WRX/STi Exhaust Valve Guides (3027)
from $5.18
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GSC EJ WRX/STi Exhaust Valve Guides with Stopper (3025)
from $5.18
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GSC EJ WRX/STi Exhaust Valves
from $15.04
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GSC EJ WRX/STi Intake Valve Guides (3028)
from $5.18
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GSC EJ WRX/STi Intake Valve Guides with Stopper (3026)
from $5.18
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GSC EJ WRX/STi Intake Valves
from $15.04
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GSC EJ WRX/STi OEM Replacement Valve Spring Seats (1005)
$20.40
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GSC EJ WRX/STi Single Valve Spring Kit (5743)
$266.48
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GSC EJ WRX/STi Valve Stem Seals (1022)
$15.00
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GSC FA20 WRX Exhaust Valves
from $15.04
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GSC FA20 WRX Intake Valves
from $15.17
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GSC FA20 WRX/BRZ Valve Stem Seals (1023)
$15.00
