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Performance Auto Parts for LS Swaps, Muscle Cars & Modern Builds

Shop thousands of in-stock performance parts from trusted brands—engine upgrades, suspension, exhaust, fuel systems, and more. Fast shipping and real-world support from fellow car enthusiasts.

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-15%
GSC P-D Ford Raptor 3.5L Ecoboost Intake/Exhaust Valve Guide Set w/ Stopper - Set of 12 Quick View
GSC Power Division

GSC P-D Ford Raptor 3.5L Ecoboost Intake/Exhaust Valve Guide Set w/ Stopper - Set of 12

$77.53 $65.90
GSC3110-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Ford Raptor 3.5L Ecoboost Intake/Exhaust Valve Guide Set w/ Stopper - Set of 12
-14%
GSC P-D 03-07 Dodge Viper 2.615in TL 0.5145in OD 0.311in ID Intake/Exhaust Valve Guide -Set of 10 Quick View
GSC Power Division

GSC P-D 03-07 Dodge Viper 2.615in TL 0.5145in OD 0.311in ID Intake/Exhaust Valve Guide -Set of 10

$106.74 $90.73
GSC3109-10
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D 03-07 Dodge Viper 2.615in TL 0.5145in OD 0.311in ID Intake/Exhaust Valve Guide -Set of 10
-15%
GSC Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 8 Quick View
GSC Power Division

GSC Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 8

$51.69 $43.93
GSC3106-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC Subaru FA20/BRZ (STD) Stopper Intake Valve Guide - Set of 8
-15%
GSC Subaru FA20/BRZ (STD) Stopper Exhaust Valve Guide - Set of 8 Quick View
GSC Power Division

GSC Subaru FA20/BRZ (STD) Stopper Exhaust Valve Guide - Set of 8

$51.69 $43.93
GSC3105-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC Subaru FA20/BRZ (STD) Stopper Exhaust Valve Guide - Set of 8
-14%
GSC P-D Ford Coyote 5.0L Manganese Bronze Intake/Exhaust Valve Guide Set - Set of 16 Quick View
GSC Power Division

GSC P-D Ford Coyote 5.0L Manganese Bronze Intake/Exhaust Valve Guide Set - Set of 16

$103.37 $87.87
GSC3101-16
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Ford Coyote 5.0L Manganese Bronze Intake/Exhaust Valve Guide Set - Set of 16
-15%
GSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide - Set of 8 Quick View
GSC Power Division

GSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide - Set of 8

$77.53 $65.90
GSC3096-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D BMW M3 E46 S54 Manganese Bronze Intake/Exhaust Valve Guide - Set of 8
-15%
GSC P-D Toyota 1JZ Manganese Bronze Exhaust Valve Guide - SET OF 12 Quick View
GSC Power Division

GSC P-D Toyota 1JZ Manganese Bronze Exhaust Valve Guide - SET OF 12

$77.53 $65.90
GSC3091-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Toyota 1JZ Manganese Bronze Exhaust Valve Guide - SET OF 12
-15%
GSC P-D BMW E92 335i Inline 6 Manganese Bronze Intake Valve Guide - Set of 12 Quick View
GSC Power Division

GSC P-D BMW E92 335i Inline 6 Manganese Bronze Intake Valve Guide - Set of 12

$77.53 $65.90
GSC3090-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D BMW E92 335i Inline 6 Manganese Bronze Intake Valve Guide - Set of 12
-15%
GSC P-D Honda S2000 Manganese Bronze Exhaust Valve Guide - Set 8 Quick View
GSC Power Division

GSC P-D Honda S2000 Manganese Bronze Exhaust Valve Guide - Set 8

$51.69 $43.93
GSC3087-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Honda S2000 Manganese Bronze Exhaust Valve Guide - Set 8
-15%
GSC P-D GM LS7 Intake/Exhaust Valve Guide - Set of 8 Quick View
GSC Power Division

GSC P-D GM LS7 Intake/Exhaust Valve Guide - Set of 8

$80.90 $68.76
GSC3082-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D GM LS7 Intake/Exhaust Valve Guide - Set of 8
-14%
GSC P-D Audi R8 V10 / Lamborghini Gallardo V10 Manganese Bronze Exhaust Valve Guide - Set Of 20 Quick View
GSC Power Division

GSC P-D Audi R8 V10 / Lamborghini Gallardo V10 Manganese Bronze Exhaust Valve Guide - Set Of 20

$129.21 $109.83
GSC3079-20
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Audi R8 V10 / Lamborghini Gallardo V10 Manganese Bronze Exhaust Valve Guide - Set Of 20
-14%
GSC P-D Audi R8 V10/Lamorghini Gallardo V10 Manganese Bronze Intake Valve Guide - Set Of 20 Quick View
GSC Power Division

GSC P-D Audi R8 V10/Lamorghini Gallardo V10 Manganese Bronze Intake Valve Guide - Set Of 20

$129.21 $109.83
GSC3078-20
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Audi R8 V10/Lamorghini Gallardo V10 Manganese Bronze Intake Valve Guide - Set Of 20
-15%
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Intake Valve Guide - SET OF 8 Quick View
GSC Power Division

GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Intake Valve Guide - SET OF 8

$51.69 $43.93
GSC3062-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Intake Valve Guide - SET OF 8
-15%
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Exhaust Valve Guide - SET OF 8 Quick View
GSC Power Division

GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Exhaust Valve Guide - SET OF 8

$51.69 $43.93
GSC3061-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Exhaust Valve Guide - SET OF 8
-15%
GSC P-D Honda D16 1.872in L x .2360in ID x .4360in OD Intake/Exhaust Valve Guide - SET OF 8 Quick View
GSC Power Division

GSC P-D Honda D16 1.872in L x .2360in ID x .4360in OD Intake/Exhaust Valve Guide - SET OF 8

$51.69 $43.93
GSC3060-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Honda D16 1.872in L x .2360in ID x .4360in OD Intake/Exhaust Valve Guide - SET OF 8
-15%
GSC P-D Mazda Miata 1.6L/1.8L Intake/Exhaust Valve Guide Set - Set of 8 Quick View
GSC Power Division

GSC P-D Mazda Miata 1.6L/1.8L Intake/Exhaust Valve Guide Set - Set of 8

$51.69 $43.93
GSC3059-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Mazda Miata 1.6L/1.8L Intake/Exhaust Valve Guide Set - Set of 8
-15%
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12 Quick View
GSC Power Division

GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12

$77.53 $65.90
GSC3057-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Porsche 996/997 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 12
-15%
New
GSC P-D Honda B16A/B17A/B18C VTEC Exhuast Valve Guide 6mm Valve Stem - Set of 8 Quick View
GSC Power Division

GSC P-D Honda B16A/B17A/B18C VTEC Exhuast Valve Guide 6mm Valve Stem - Set of 8

$51.69 $43.93
GSC3049-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Honda B16A/B17A/B18C VTEC Exhuast Valve Guide 6mm Valve Stem - Set of 8
-15%
GSC P-D Nissan RB26DETT Manganese Bronze Intake Valve Guide - Set of 12 Quick View
GSC Power Division

GSC P-D Nissan RB26DETT Manganese Bronze Intake Valve Guide - Set of 12

$77.53 $65.90
GSC3042-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Nissan RB26DETT Manganese Bronze Intake Valve Guide - Set of 12
-15%
GSC P-D Nissan RB26DEETT Manganese Bronze Exhaust Valve Guide - Set 12 Quick View
GSC Power Division

GSC P-D Nissan RB26DEETT Manganese Bronze Exhaust Valve Guide - Set 12

$77.53 $65.90
GSC3041-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Nissan RB26DEETT Manganese Bronze Exhaust Valve Guide - Set 12
-15%
GSC P-D Toyota 2JZ Manganese Bronze Exhaust Valve Guide - Single Quick View
GSC Power Division

GSC P-D Toyota 2JZ Manganese Bronze Exhaust Valve Guide - Single

$6.71 $5.70
GSC3031
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Toyota 2JZ Manganese Bronze Exhaust Valve Guide - Single
-15%
GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8 Quick View
GSC Power Division

GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8

$51.69 $43.93
GSC3026-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D EJ Series EJ205/EJ207/EJ260 Manganese Bronze Intake Valve Guide Stopper Style - Set 8This Part Fits: Year Make Model Submodel 2005 Saab 9-2X...
-15%
GSC P-D Subaru EJ205/EJ207/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Single Quick View
GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Single

$6.71 $5.70
GSC3026
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Subaru EJ205/EJ207/EJ259 Manganese Bronze Intake Valve Guide Stopper Style - Single
-15%
GSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8 Quick View
GSC Power Division

GSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8

$51.69 $43.93
GSC3025-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D EJ Series EJ205/EJ207/EJ258 Manganese Bronze Exhaust Valve Guide Stopper Style - Set 8This Part Fits: Year Make Model Submodel 2005 Saab 9-2X...
-15%
GSC P-D Subaru EJ205/EJ207/EJ257 Manganese Bronze Exhaust Valve Guide Stopper Style - Single Quick View
GSC Power Division

GSC P-D Subaru EJ205/EJ207/EJ257 Manganese Bronze Exhaust Valve Guide Stopper Style - Single

$6.71 $5.70
GSC3025
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Subaru EJ205/EJ207/EJ257 Manganese Bronze Exhaust Valve Guide Stopper Style - Single
-15%
GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Intake Valve Guide Stopper Style - SET OF 8 Quick View
GSC Power Division

GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Intake Valve Guide Stopper Style - SET OF 8

$51.69 $43.93
GSC3024-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Intake Valve Guide Stopper Style - SET OF 8
-15%
GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Exhaust Valve Guide Stopper Style - SET OF 8 Quick View
GSC Power Division

GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Exhaust Valve Guide Stopper Style - SET OF 8

$51.69 $43.93
GSC3023-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Honda K-Series VTEC K20/24 Manganese Bronze Exhaust Valve Guide Stopper Style - SET OF 8
-15%
GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - SET OF 8 Quick View
GSC Power Division

GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - SET OF 8

$51.69 $43.93
GSC3019-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Subaru SOHC EJ25 Intake/Exhaust Manganese Bronze Valve Guide Stopper Style - SET OF 8
-15%
GSC P-D EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 12 Quick View
GSC Power Division

GSC P-D EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 12

$77.53 $65.90
GSC3018-12
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D EcoBoost 3.5 6Cyl Manganese Bronze Intake OR Exhaust Valve Guide - SET OF 12
-15%
GSC P-D Mitsubishi 4B11T Intake Valve Guide Stopper Style - Set 8 Quick View
GSC Power Division

GSC P-D Mitsubishi 4B11T Intake Valve Guide Stopper Style - Set 8

$51.69 $43.93
GSC3014-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Mitsubishi 4B11T Intake Valve Guide Stopper Style - Set 8
-15%
GSC P-D Mitsubishi 4B11T Exhaust Valve Guide - Set of 8 Quick View
GSC Power Division

GSC P-D Mitsubishi 4B11T Exhaust Valve Guide - Set of 8

$51.69 $43.93
GSC3013-8
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Mitsubishi 4B11T Exhaust Valve Guide - Set of 8
-15%
GSC P-D Mitsubishi 4G63T Manganese Bronze Exhaust Valve Guide Stopper Style +.001in OD - Single Quick View
GSC Power Division

GSC P-D Mitsubishi 4G63T Manganese Bronze Exhaust Valve Guide Stopper Style +.001in OD - Single

$6.71 $5.70
GSC3003.001-1
.CamshaftsValvetrain All Engine Components Sale Valve Guides
GSC P-D Mitsubishi 4G63T Manganese Bronze Exhaust Valve Guide Stopper Style +.001in OD - Single
-15%
GSC P-D 2015+ Subaru Impreza WRX +1mm (35mm) Intake Valve Set Stainless Alloy 21-4N Chrome Polished Quick View
GSC Power Division

GSC P-D 2015+ Subaru Impreza WRX +1mm (35mm) Intake Valve Set Stainless Alloy 21-4N Chrome Polished

$179.04 $152.18
GSC2284-8
.CamshaftsValvetrain All Engine Components Sale Valves
GSC P-D 2015+ Subaru Impreza WRX +1mm (35mm) Intake Valve Set Stainless Alloy 21-4N Chrome Polished
-15%
GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8) Quick View
GSC Power Division

GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8)

$181.06 $153.90
GSC2283-8
.CamshaftsValvetrain All Engine Components Sale Valves
GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8)
-14%
GSC P-D 2015+ Subaru WRX FA20F 21-4N Stainless Intake Valve - 34mm Head (STD) - SET 8 Quick View
GSC Power Division

GSC P-D 2015+ Subaru WRX FA20F 21-4N Stainless Intake Valve - 34mm Head (STD) - SET 8

$178.23 $151.50
GSC2282-8
.CamshaftsValvetrain All Engine Components Sale Valves
GSC P-D 2015+ Subaru WRX FA20F 21-4N Stainless Intake Valve - 34mm Head (STD) - SET 8
-15%
GSC P-D 2015+ Subaru WRX FA20F Exhaust Valve - 29mm Head (STD) - SET 8 Quick View
GSC Power Division

GSC P-D 2015+ Subaru WRX FA20F Exhaust Valve - 29mm Head (STD) - SET 8

$179.44 $152.52
GSC2281-8
.CamshaftsValvetrain All Engine Components Sale Valves
GSC P-D 2015+ Subaru WRX FA20F Exhaust Valve - 29mm Head (STD) - SET 8
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Items 217 to 252 of 1025 total
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