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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Sold outVendor:Ferrea
Ferrea Toyota 5.5mm Steel Valve Locks - Set of 4 (Use w/E11042)
Regular price $26.99Regular price$29.60-$2.61 Sale price $26.99 -
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Vendor:FerreaFerrea Toyota 4AGELU Gen3 5mm Radial Groove Steel Valve Locks - Set of 20 (Use w/E20052)
Regular price $128.99Regular price$142.80-$13.81 Sale price $128.99 -
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Vendor:FerreaFerrea 99-00 Suzuki GSX 1300R Hayabusa Steel Valve Locks - Set of 16
Regular price $106.99Regular price$118.40-$11.41 Sale price $106.99 -
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Vendor:FerreaFerrea Toyota 1GR-FE 5.5mm Radial Groove Steel Valve Locks - Set of 24
Regular price $159.99Regular price$177.60-$17.61 Sale price $159.99 -
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Vendor:FerreaFerrea Toyota 1FZFE 7mm Radial Groove Steel Valve Locks - Set of 24
Regular price $159.99Regular price$177.60-$17.61 Sale price $159.99 -
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Vendor:FerreaFerrea 00-05 Porsche 996TT 3.6L DOHC 24 Valve 6 Degree Radial Steel Valve Locks - Set of 24
Regular price $159.99Regular price$177.60-$17.61 Sale price $159.99 -
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Vendor:FerreaFerrea 05-08 Harley-Davidson Twin Cam Steel Valve Locks - Set of 8
Regular price $53.99Regular price$59.20-$5.21 Sale price $53.99 -
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Vendor:FerreaFerrea 84-89 Nissan 300 ZX VG30 6mm Radial Groove Steel Valve Locks - Set of 24 (Use w/E11083)
Regular price $159.99Regular price$177.60-$17.61 Sale price $159.99 -
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Vendor:FerreaFerrea 02-03 Harley-Davidson VRSCA V Rod 6mm Radial Groove Steel Valve Locks - Set of 8
Regular price $53.99Regular price$59.20-$5.21 Sale price $53.99 -
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Vendor:FerreaFerrea Chevrolet 10 Degree Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
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Vendor:FerreaFerrea Chevrolet 10 Degree Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
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Vendor:FerreaFerrea 10 Degree Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
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Vendor:FerreaFerrea Super 7 Degree 0.275 (7mm) Std. Radial Groove Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
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Vendor:FerreaFerrea Super 7 Degree 5/16 Std Radial Groove Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
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Vendor:FerreaFerrea Super 7 Degree 11/32 Top Fuel .305 ID Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
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Vendor:FerreaFerrea Chevrolet 10 Degree Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
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Vendor:FerreaFerrea Super 7 Degree 11/32 Std Steel Valve Locks - Set of 8
Regular price $98.99Regular price$109.60-$10.61 Sale price $98.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Ford Raptor 3.5L EcoBoost +.001in Oversize Stopper Intake/Exhaust Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
Sold outVendor:CP Pistons
CP Pistons Honda Sleeved B18 Block w/B16A /B18C Head - Bore (84.5mm) - Single
Regular price $218.99Regular priceSale price $218.99 -
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Vendor:GSC Power DivisionGSC P-D Subaru EJ25 SOHC Intake/Exhaust Valve Guide Stopper Style - Set of 240
Regular price $1,448.99Regular price$1,703.95-$254.96 Sale price $1,448.99 -
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Vendor:COMP CamsCOMP Cams Dodge HEMI VVT 5.7/6.1/6.4 Custom Grind Cam SPECS REQUIRED - MUST BE DROP SHIPPED
Regular price $594.99Regular priceSale price $594.99 -
-$0.60
Vendor:GSC Power DivisionGSC P-D Ford Raptor 3.5L Ecoboost +.003in Oversize Intake/Exhaust Valve Guide - Single
Regular price $6.99Regular price$7.59-$0.60 Sale price $6.99 -
-$209.01Vendor:GSC Power Division
GSC P-D BMW B58 Gen 1 S3 Camshafts 292/300 Billet (Use w/Turbo Upgrade & Ported Head)
Regular price $1,190.99Regular price$1,400.00-$209.01 Sale price $1,190.99 -
-$209.01Vendor:GSC Power Division
GSC P-D BMW B58 Gen 1 S2 Camshafts 284/288 Billet (Use w/Turbo Upgrade)
Regular price $1,190.99Regular price$1,400.00-$209.01 Sale price $1,190.99 -
-$209.01Vendor:GSC Power Division
GSC P-D BMW B58 Gen 1 S1 Camshafts 272/272 Billet (Use w/Turbo Upgrade)
Regular price $1,190.99Regular price$1,400.00-$209.01 Sale price $1,190.99 -
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Vendor:SupertechSupertech Ford Coyote 5.0L 6mm Stem Viton Intake/Exhaust Valve Stem Seal - Set of 24
Regular price $41.99Regular price$51.88-$9.89 Sale price $41.99 -
Sold outVendor:Manley Performance
Manley Valve Lock/Keeper LOC-TI Capt. 3110 -.050 B/L
Regular price $95.99Regular price$105.85-$9.86 Sale price $95.99 -
Sold outVendor:JE Pistons
JE Pistons 13+ Hyundai Gamma GDI 1.6 Turbo 77.50mm Bore -8.7cc Dish Piston - Single
Regular price $299.99Regular priceSale price $299.99 -
Vendor:HKS
HKS BCD PISTON + CONROD KIT G16E HC-TT S3
Regular price $3,880.99Regular price$3,880.00Sale price $3,880.99 -
-$0.42Vendor:Manley Performance
Manley Loc-7 Deg Machined Bead Loc Valve Lock
Regular price $4.99Regular price$5.41-$0.42 Sale price $4.99 -
Sold outVendor:GSC Power Division
GSC P-D Mitsubishi 4G63T Evo 9 Mivec S2 Cam 274/274 Billet Intake Cam
Regular price $348.99Regular price$409.75-$60.76 Sale price $348.99 -
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Vendor:CP PistonsCP Piston Steel Wire Lock 0.630in. Diameter Pin, 0.050 Thick, Motorcycle
Regular price $2.99Regular priceSale price $2.99 -
-$21.02Vendor:Manley Performance
Manley Toyota 2JZGTE 86.75mm Bore / 1.328 CD / Dish Type Platinum Series Piston - Single
Regular price $248.99Regular price$270.01-$21.02 Sale price $248.99 -
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Vendor:COMP CamsCOMP Cams Ford 352-428 Thumpr 227/241 Hydraulic Roller Cam
Regular price $1,676.99Regular priceSale price $1,676.99 -
Sold outVendor:Carrillo
Carrillo BMW S58B30 5.945in Carrillo Rod w/ 3/8 WMC H6 Bolt 0.0065in-0.0075in
Regular price $1,845.99Regular priceSale price $1,845.99