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:SupertechSupertech Mitsubishi EVO X Oversize Intake & Exhaust Valve Guide - Single (Drop Ship Only)
Regular price $8.99Regular price$11.11-$2.12 Sale price $8.99 -
-$13.61
Vendor:SupertechSupertech Mitsubishi 4G63 Series Exhaust Valve Guide 6.6mm Stem - Set of 8
Regular price $55.99Regular price$69.60-$13.61 Sale price $55.99 -
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Vendor:SupertechSupertech Mitsubishi 4G63 Series Exhaust Valve Guide 6.6mm Stem
Regular price $6.99Regular price$8.70-$1.71 Sale price $6.99 -
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Vendor:SupertechSupertech Mitsubishi EVO X Manganese Bronze Intake/Exhaust Valve Guide OD 11.06mm - Set of 8
Regular price $71.99Regular price$88.94-$16.95 Sale price $71.99 -
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Vendor:SupertechSupertech Mitsubishi EVO X Manganese Bronze Intake/Exhaust Valve Guide OD 11.06mm
Regular price $8.99Regular price$11.11-$2.12 Sale price $8.99 -
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Vendor:SupertechSupertech Mazda 2.0L FS Intake/Exhaust Valve Guide - Set of 8
Regular price $78.99Regular price$98.59-$19.60 Sale price $78.99 -
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Vendor:SupertechSupertech Mazda 2.0L FS Intake/Exhaust Valve Guide
Regular price $9.99Regular price$12.34-$2.35 Sale price $9.99 -
-$19.60
Vendor:SupertechSupertech Mazda Miata 1.8L Manganese Bronze Intake Valve Guide - Set of 8
Regular price $78.99Regular price$98.59-$19.60 Sale price $78.99 -
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Vendor:SupertechSupertech Mazda Miata 1.8L Manganese Bronze Intake Valve Guide
Regular price $9.99Regular price$12.34-$2.35 Sale price $9.99 -
-$19.60
Vendor:SupertechSupertech Mazda 1.8L Exhaust Valve Guide- Set of 8
Regular price $78.99Regular price$98.59-$19.60 Sale price $78.99 -
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Vendor:SupertechSupertech Mazda 1.8L Exhaust Valve Guide
Regular price $9.99Regular price$12.34-$2.35 Sale price $9.99 -
-$19.60
Vendor:SupertechSupertech Mazda 1.8L Exhaust Valve Guide - Set of 8
Regular price $78.99Regular price$98.59-$19.60 Sale price $78.99 -
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Vendor:SupertechSupertech Mazda 1.8L Exhaust Valve Guide - Single (Drop Ship Only)
Regular price $9.99Regular price$12.34-$2.35 Sale price $9.99 -
-$16.19
Vendor:SupertechSupertech Honda S2000 Manganese Bronze Intake Valve Guide 5.5mm Stem - Set of 8
Regular price $64.99Regular price$81.18-$16.19 Sale price $64.99 -
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Vendor:SupertechSupertech Honda S2000 Manganese Bronze Intake Valve Guide 5.5mm Stem
Regular price $8.99Regular price$10.17-$1.18 Sale price $8.99 -
-$16.19
Vendor:SupertechSupertech Honda S2000 Manganese Bronze Exhaust Valve Guide 5.5mm Stem - Set of 8
Regular price $64.99Regular price$81.18-$16.19 Sale price $64.99 -
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Vendor:SupertechSupertech Honda S2000 Manganese Bronze Exhaust Valve Guide 5.5mm Stem
Regular price $8.99Regular price$10.17-$1.18 Sale price $8.99 -
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Vendor:SupertechSupertech Honda NSX Manganese Bronze Intake Valve Guide 5.5mm Stem - Set of 12
Regular price $129.99Regular price$162.43-$32.44 Sale price $129.99 -
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Vendor:SupertechSupertech Honda NSX Manganese Bronze Intake Valve Guide 5.5mm Stem
Regular price $10.99Regular price$13.52-$2.53 Sale price $10.99 -
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Vendor:SupertechSupertech Honda NSX Manganese Bronze Exhaust Valve Guide 5.5mm Stem - Set of 12
Regular price $129.99Regular price$162.43-$32.44 Sale price $129.99 -
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Vendor:SupertechSupertech Honda NSX Manganese Bronze Exhaust Valve Guide 5.5mm Stem
Regular price $10.99Regular price$13.52-$2.53 Sale price $10.99 -
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Vendor:SupertechSupertech 6.6mm Stem Manganese Bronze Valve Guide - Set of 8
Regular price $94.99Regular price$118.32-$23.33 Sale price $94.99 -
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Vendor:SupertechSupertech 6.6mm Stem Manganese Bronze Valve Guide - Single (Drop Ship Only)
Regular price $11.99Regular price$14.78-$2.79 Sale price $11.99 -
-$23.33
Vendor:SupertechSupertech Honda K20 Exhaust Valve Guide 6.6mm Stem - Set of 8
Regular price $94.99Regular price$118.32-$23.33 Sale price $94.99 -
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Vendor:SupertechSupertech Honda K20 Exhaust Valve Guide 6.6mm Stem - Single (Drop Ship Only)
Regular price $11.99Regular price$14.78-$2.79 Sale price $11.99 -
-$13.61
Vendor:SupertechSupertech Honda K Series Manganese Bronze Intake Valve Guide 5.5mm Stem - Set of 8
Regular price $55.99Regular price$69.60-$13.61 Sale price $55.99 -
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Vendor:SupertechSupertech Honda K Series Manganese Bronze Intake Valve Guide 5.5mm Stem
Regular price $6.99Regular price$8.70-$1.71 Sale price $6.99 -
-$13.61
Vendor:SupertechSupertech Honda K Series Manganese Bronze Exhaust Valve Guide 5.5mm Stem - Set of 8
Regular price $55.99Regular price$69.60-$13.61 Sale price $55.99 -
-$15.29
Vendor:SupertechSupertech Honda K20A2 Exhaust Valve Guide 6mm Stem Manganese Bronze - Set of 8 (Use w/VS-TS6E)
Regular price $65.99Regular price$81.28-$15.29 Sale price $65.99 -
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Vendor:SupertechSupertech Honda K Series 6.0mm Stem Manganese Bronze Exhaust Valve Guide - Single (Drop Ship Only)
Regular price $8.99Regular price$10.17-$1.18 Sale price $8.99 -
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Vendor:SupertechSupertech Honda K Series Manganese Bronze Exhaust Valve Guide 5.5mm Stem
Regular price $6.99Regular price$8.70-$1.71 Sale price $6.99 -
-$13.61
Vendor:SupertechSupertech Honda D / K Series Manganese Bronze Intake Valve Guide 5.5mm Stem - Set of 8
Regular price $55.99Regular price$69.60-$13.61 Sale price $55.99 -
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Vendor:SupertechSupertech Honda D / K Series Manganese Bronze Intake Valve Guide 5.5mm Stem
Regular price $6.99Regular price$8.70-$1.71 Sale price $6.99 -
-$13.61
Vendor:SupertechSupertech Honda D/K Series Manganese Bronze Exhaust Valve Guide 5.5mm Stem - Set of 8
Regular price $55.99Regular price$69.60-$13.61 Sale price $55.99 -
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Vendor:SupertechSupertech Honda D/K Series Manganese Bronze Exhaust Valve Guide 5.5mm Stem
Regular price $6.99Regular price$8.70-$1.71 Sale price $6.99