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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Vendor:GSC Power Division
GSC P-D SBC Manganese Bronze Int/Exh Valve Guide 2.225in L x .3415in ID x .502in OD +.001in - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
Vendor:GSC Power Division
GSC P-D GM 2.225in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - SET OF 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99 -
Vendor:GSC Power Division
GSC P-D GM 2.225in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
Vendor:GSC Power Division
GSC P-D SBC Manganese Bronze Int/Exh Valve Guide 2.1in L x .3415in ID x .502in OD (+.003in) - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
Vendor:GSC Power Division
GSC P-D SBC Manganese Bronze Int/Exh Valve Guide 2.1in L x .3415in ID x .502in OD (+.001in) - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
Vendor:GSC Power Division
GSC P-D GM 2.1in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - SET OF 8
Regular price $68.99Regular price$80.90-$11.91 Sale price $68.99 -
Vendor:GSC Power Division
GSC P-D GM 2.1in L x .341in ID x .5022in OD Manganese Bronze Intake/Exhaust Valve Guide - Single
Regular price $8.99Regular price$10.49-$1.50 Sale price $8.99 -
Vendor:GSC Power Division
GSC P-D 2008+ Dodge Viper Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $10.99Regular price$12.00-$1.01 Sale price $10.99 -
Vendor:GSC Power Division
GSC P-D 2008+ Dodge Viper Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $10.99Regular price$12.00-$1.01 Sale price $10.99 -
Vendor:GSC Power Division
GSC P-D Dodge Viper 2015+ Manganese Bronze Exhaust Valve Guide - SET OF 10
Regular price $97.99Regular price$115.20-$17.21 Sale price $97.99 -
Vendor:GSC Power Division
GSC P-D 2015+ Dodge Viper Manganese Bronze Exhaust Valve Guide - Single
Regular price $10.99Regular price$12.00-$1.01 Sale price $10.99 -
Vendor:GSC Power Division
GSC P-D 2008+ Dodge Viper Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
Regular price $10.99Regular price$12.00-$1.01 Sale price $10.99 -
Vendor:GSC Power Division
GSC P-D 2008+ Dodge Viper Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
Regular price $10.99Regular price$12.00-$1.01 Sale price $10.99 -
Vendor:GSC Power Division
GSC P-D Dodge Viper 2015+ Manganese Bronze Intake Valve Guide - SET OF 10
Regular price $97.99Regular price$115.20-$17.21 Sale price $97.99 -
Vendor:GSC Power Division
GSC P-D Dodge Viper 2015+ Manganese Bronze Intake Valve Guide - Single
Regular price $10.99Regular price$12.00-$1.01 Sale price $10.99 -
Vendor:GSC Power Division
GSC P-D Subaru EJ20/EJ25 SOHC Manganese Bronze Intake/Exhaust Valve Guide +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EJ20/Subaru EJ25 SOHC Intake/Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D 2012+ Subaru BRZ FA20 Manganese Bronze Intake Valve Guide Stopper Style +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru EJ20/EJ25 SOHC Manganese Bronze Intake/Exhaust Valve Guide - Set of 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC P-D 2012+ Subaru BRZ FA20 Manganese Bronze Intake Valve Guide Stopper Style +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru/Scion BRZ/FR-S FA20 Manganese Bronze Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D 2012+ Subaru BRZ FA20 Manganese Bronze Exhaust Valve Guide Stopper Style +.003in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D 2012+ Subaru BRZ FA20 Manganese Bronze Exhaust Valve Guide Stopper Style +.001in OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Subaru/Scion BRZ/FR-S FA20 Manganese Bronze Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Dodge Neon SRT4/420A Manganese Bronze Intake Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Neon SRT4/420A Manganese Bronze Intake Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Intake Valve Guide - SET OF 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Intake Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Dodge Neon SRT4/420A Manganese Bronze Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Dodge Neon SRT4/420A Manganese Bronze Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Exhaust Valve Guide - SET OF 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99 -
Vendor:GSC Power Division
GSC P-D Dodge Neon SRT-4 & 420A Manganese Bronze Exhaust Valve Guide - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda D16 Manganese Bronze Intake/Exhaust Valve Guide +.003in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda D16 Manganese Bronze Intake/Exhaust Valve Guide +.001in Oversize OD - Single
Regular price $5.99Regular price$6.71-$0.72 Sale price $5.99 -
Vendor:GSC Power Division
GSC P-D Honda D16 1.872in L x .2360in ID x .4360in OD Intake/Exhaust Valve Guide - SET OF 8
Regular price $43.99Regular price$51.69-$7.70 Sale price $43.99