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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-$0.60
Vendor:GSC Power DivisionGSC P-D 00-09 Honda S2000 Manganese Bronze Exhaust Valve Guide +.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 99-09 Honda S2000 +.001in OD Manganese Bronze Exhaust Valve Guide - ONE
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$8.42
Vendor:GSC Power DivisionGSC P-D Honda S2000 Manganese Bronze Exhaust Valve Guide - Set 8
Regular price $49.99Regular price$58.41-$8.42 Sale price $49.99 -
-$1.54
Vendor:GSC Power DivisionGSC P-D 93-07 Dodge Viper Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
Regular price $10.99Regular price$12.53-$1.54 Sale price $10.99 -
-$1.54
Vendor:GSC Power DivisionGSC P-D 93-07 Dodge Viper Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
Regular price $10.99Regular price$12.53-$1.54 Sale price $10.99 -
-$17.63
Vendor:GSC Power DivisionGSC P-D Dodge Viper 93-14 Manganese Bronze Intake Valve Guide - SET OF 10
Regular price $102.99Regular price$120.62-$17.63 Sale price $102.99 -
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Vendor:GSC Power DivisionGSC P-D Dodge Viper 93-14 Manganese Bronze Intake Valve Guide - Single
Regular price $10.99Regular price$12.53-$1.54 Sale price $10.99 -
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Vendor:GSC Power DivisionGSC P-D 93-07 Dodge Viper Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $10.99Regular price$12.53-$1.54 Sale price $10.99 -
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Vendor:GSC Power DivisionGSC P-D 93-07 Dodge Viper Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $10.99Regular price$12.53-$1.54 Sale price $10.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Intake Valve Guide Standard Style +.001in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$17.63
Vendor:GSC Power DivisionGSC P-D 93-14 Dodge Viper Manganese Bronze Exhaust Valve Guide - SET OF 10
Regular price $102.99Regular price$120.62-$17.63 Sale price $102.99 -
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Vendor:GSC Power DivisionGSC P-D 93-14 Dodge Viper Manganese Bronze Exhaust Valve Guide - Single
Regular price $10.99Regular price$12.53-$1.54 Sale price $10.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Intake Valve Guide Standard Style +.003in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$8.42
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Manganese Bronze STD Style Intake Valve Guide - SET OF 8
Regular price $49.99Regular price$58.41-$8.42 Sale price $49.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Manganese Bronze STD 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 Porsche 944 Turbo Exhaust Valve Guide Standard Style +.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 Porsche 944 Turbo Exhaust Valve Guide Standard Style +.001in Oversize OD - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$8.42
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Manganese Bronze STD Style Exhaust Valve Guide - SET OF 8
Regular price $49.99Regular price$58.41-$8.42 Sale price $49.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Porsche 944 Turbo Manganese Bronze STD Style Exhaust Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$0.87
Vendor:GSC Power DivisionGSC P-D GM LS7 Manganese Bronze Intake/Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
-$0.87
Vendor:GSC Power DivisionGSC P-D GM LS7 Manganese Bronze Intake/Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
-$13.43
Vendor:GSC Power DivisionGSC P-D GM LS7 Intake/Exhaust Valve Guide - Set of 8
Regular price $77.99Regular price$91.42-$13.43 Sale price $77.99 -
-$0.87Vendor:GSC Power Division
GSC P-D GM LS7 Intake/Exhaust Valve Guide - Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.25in L x .3415in ID x .502in OD +.003in .35in Taper- Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.25in L x .3415in ID x .502in OD +.001in .35in Taper- Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
-$13.43
Vendor:GSC Power DivisionGSC P-D GM 2.25in L x .341in ID x .5022in OD .35 TAPER Mngns Brnz Intake/Exhaust Valve Guide - SET 8
Regular price $77.99Regular price$91.42-$13.43 Sale price $77.99 -
-$0.87
Vendor:GSC Power DivisionGSC P-D GM 2.25in L x .341in ID x .5022in OD .35in Taper Intake/Exhaust Valve Guide -Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.1in L x .3415in ID x .502in OD +.003in .35in Taper - Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
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Vendor:GSC Power DivisionGSC P-D SBC Intake/Exhaust Valve Guide 2.1in L x .3415in ID x .502in OD +.001in .35in Taper - Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
-$13.43
Vendor:GSC Power DivisionGSC P-D GM 2.1in L x .341in ID x .5022in OD .35 TAPER Mngns Brnz Intake/Exhaust Valve Guide - SET 8
Regular price $77.99Regular price$91.42-$13.43 Sale price $77.99 -
-$0.87
Vendor:GSC Power DivisionGSC P-D GM 2.1in L x .341in ID x .5022in OD .35in Taper Intake/Exhaust Valve Guide - Single
Regular price $10.99Regular price$11.86-$0.87 Sale price $10.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 Manganese Bronze 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 Audi R8 V10 / Lamborghini Gallardo V10 Manganese Bronze 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 V10 Manganese Bronze Exhaust Valve Guide +.001in Oversize - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$21.02
Vendor:GSC Power DivisionGSC P-D Audi R8 V10 / Lamborghini Gallardo V10 Manganese Bronze Exhaust Valve Guide - Set Of 20
Regular price $124.99Regular price$146.01-$21.02 Sale price $124.99