Robust Engine Internals
Boost your vehicle’s power from within with our JDM Engine & Power - Engine Internals from HD Werks. Designed for high-performance and durability, these original aftermarket parts are engineered in Japan for racing excellence. Infused with DOHC precision and inspired by Honda and Toyota innovation, our engine internals deliver unmatched power and reliability. Shop our collection for components that ensure your engine performs optimally, enhancing efficiency and driving excitement. Experience the difference of superior craftsmanship and authentic JDM engineering.
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-$12.62
Vendor:GSC Power DivisionGSC P-D Porsche GT3 CUP 996/997 Manganese Bronze STD Style Intake/Exhaust Valve Guide - SET OF 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Porsche GT3 CUP 996/997 Manganese Bronze STD Style Intake/Exhaust Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Intake Valve Guide +.003in OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Intake Valve Guide +.001in OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$12.62
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Intake Valve Guide - Set of 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Intake Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$12.62
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Exhaust Valve Guide - Set 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan VR30DDTT Manganese Bronze Stopper Style Exhaust Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Audi R8/Lambirghini Huracan V10 5.2L +.001in OD Stopper Style Int/Exh Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$10.02
Vendor:GSC Power DivisionGSC P-D Audi R8/Lambirghini Huracan V10 5.2L Int/Exh Stopper Style Valve Guide Set - Set of 10
Regular price $62.99Regular price$73.01-$10.02 Sale price $62.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Audi R8/Lambirghini Huracan V10 5.2L Stopper Style Int/Exh Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Ford Coyote Gen 3 Intake/Exhaust Valve Guide Set - Set of 16 (Use OEM or GSC 1102)
Regular price $99.99Regular price$116.81-$16.82 Sale price $99.99 -
-$12.62
Vendor:GSC Power DivisionGSC P-D Toyota/BMW B58 / BMW S58 Manganese Bronze Intake Valve Guide w/Stopper - Set of 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99 -
-$12.62
Vendor:GSC Power DivisionGSC P-D BMW/Toyota B58 / BMW S58 Manganese Bronze Exhaust Valve Guide w/Stopper - Set of 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Ford 5.0L Coyote Gen 1/Gen 2 Int/Exh Valve Guide w/Stopper +.003in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Ford 5.0L Coyote Gen 1/Gen 2 Int/Exh Valve Guide w/Stopper +.001in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$16.82
Vendor:GSC Power DivisionGSC P-D Ford 5.0L Coyote Gen 1/Gen 2 (STD) Intake/Exhaust Valve Guide w/Stopper - Set of 16
Regular price $99.99Regular price$116.81-$16.82 Sale price $99.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Ford 5.0L Coyote Gen 1/Gen 2 (STD) Intake/Exhaust Valve Guide w/Stopper - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan SR20DET/RB26 Exhaust Valve Guide w/Stopper +.003in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan SR20DET/RB26 Exhaust Valve Guide w/Stopper +.001in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan SR20DET (STD) Exhaust Valve Guide w/Stopper - Set of 8
Regular price $49.99Regular price$58.41-$8.42 Sale price $49.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan RB26 (STD) Exhaust Valve Guide w/Stopper - Set of 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan SR20DET/RB26 Exhaust Valve Guide w/Stopper - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Nissan SR20DET/RB26 Intake Valve Guide w/Stopper +.003in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan SR20DET/RB26 Intake Valve Guide w/Stopper +.001in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan SR20DET (STD) Intake Valve Guide w/Stopper - Set of 8
Regular price $49.99Regular price$58.41-$8.42 Sale price $49.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan RB26 (STD) Intake Valve Guide w/Stopper - Set of 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99 -
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Vendor:GSC Power DivisionGSC P-D Nissan SR20DET/RB26 STD Intake Valve Guide w/Stopper - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Subaru EZ30 PHZ2 1.75in Len .34in Protrusion +.003 OS Exh Valve Guide Stopper Style - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Subaru EZ30 PHZ2 1.75in Len .34in Protrusion +.001 OS Exh Valve Guide Stopper Style - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Subaru EZ30 PHZ 2 1.75in Length .34in Protrusion Exhaust Valve Guide Stopper Style - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
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Vendor:GSC Power DivisionGSC P-D Subaru EZ30 PHZ 2 1.34in Len .345in Protrusion +.003 Int Valve Guide Stopper Style - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
Sold out
Vendor:GSC Power DivisionGSC P-D Subaru EZ30 PHZ 2 1.75in Len .34in Protrusion Exhaust Valve Guide Stopper Style - Set of 12
Regular price $74.99Regular price$87.61-$12.62 Sale price $74.99