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Boost your Hyundai G4KF (Theta II 2.0T – Genesis Coupe, Sonata, Optima) engine with our range of performance parts. Explore valvetrain upgrades including camshafts and springs, stroker kits for increased displacement, forged connecting rods, and miscellaneous components to maximize the power and reliability of your turbocharged Hyundai.

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<b>AR8655</b> - Hyundai 2.0L G4KF Theta ARP Head Studs

HYUNDAI G4KF

AR8655 – Hyundai 2.0L G4KF Theta ARP Head Studs

Original price was: $254.39.Current price is: $221.21.
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<b>AR8755</b> - Hyundai 2.0L G4KF Theta ARP Main Studs

HYUNDAI G4KF

AR8755 – Hyundai 2.0L G4KF Theta ARP Main Studs

Original price was: $139.47.Current price is: $121.28.
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<b>AR8900</b> - Connecting Rod Fastener/Rod Bolt - ARP2000 (3/8" x 1.600") - 1 only bolt

1FZFE

AR8900 – Connecting Rod Fastener/Rod Bolt – ARP2000 (3/8″ x 1.600″) – 1 only bolt

Original price was: $11.50.Current price is: $10.00.
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<b>AR8901</b> - Connecting Rod Fastener/Rod Bolt - ARP2000 (7/16" x 1.600") - 1 only bolt

1FZFE

AR8901 – Connecting Rod Fastener/Rod Bolt – ARP2000 (7/16″ x 1.600″) – 1 only bolt

Original price was: $17.25.Current price is: $15.00.
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<b>AR8910</b> - Connecting Rod Fastener/Rod Bolt - ARP Custom Age 625+ (3/8" x 1.600") - 1 only bolt

1FZFE

AR8910 – Connecting Rod Fastener/Rod Bolt – ARP Custom Age 625+ (3/8″ x 1.600″) – 1 only bolt

Original price was: $51.75.Current price is: $45.00.
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<b>AR8918</b> - Connecting Rod Fastener/Rod Bolt - ARP Custom Age 625+ (7/16" x 1.600") - 1 only bolt

1FZFE

AR8918 – Connecting Rod Fastener/Rod Bolt – ARP Custom Age 625+ (7/16″ x 1.600″) – 1 only bolt

Original price was: $63.25.Current price is: $55.00.
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<b>BC0130</b> - Mitsubishi 4B11 Evo X Spring/Titanium Retainer Kit

4B11 EVO X

BC0130 – Mitsubishi 4B11 Evo X Spring/Titanium Retainer Kit

Original price was: $344.15.Current price is: $299.26.
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<b>BC0133</b> - Hyundai 2.0L G4KF Theta Stroker Kit - 98mm Stroke/I-Beam Rods

HYUNDAI G4KF

BC0133 – Hyundai 2.0L G4KF Theta Stroker Kit – 98mm Stroke/I-Beam Rods

Original price was: $4,594.97.Current price is: $3,995.63.
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<b>BC0134</b> - Hyundai 2.0L G4KF Theta Stroker Kit - 98mm Stroke/ProH625+ Rods

HYUNDAI G4KF

BC0134 – Hyundai 2.0L G4KF Theta Stroker Kit – 98mm Stroke/ProH625+ Rods

Original price was: $4,497.65.Current price is: $3,911.00.
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<b>BC0135</b> - Hyundai 2.0L G4KF Theta Stroker Kit - 98mm Stroke/ProH2k Rods

HYUNDAI G4KF

BC0135 – Hyundai 2.0L G4KF Theta Stroker Kit – 98mm Stroke/ProH2k Rods

Original price was: $4,248.23.Current price is: $3,694.11.
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<b>BC3130</b> - Mitsubishi 4B11 Evo X Intake Valves (35mm / STD) - set/8

4B11 EVO X

BC3130 – Mitsubishi 4B11 Evo X Intake Valves (35mm / STD) – set/8

Original price was: $219.10.Current price is: $190.52.
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<b>BC3131</b> - Mitsubishi 4B11 Evo X Exhaust Valves (29mm / STD) - set/8

4B11 EVO X

BC3131 – Mitsubishi 4B11 Evo X Exhaust Valves (29mm / STD) – set/8

Original price was: $219.10.Current price is: $190.52.
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<b>BC3134</b> - Mitsubishi 4B11 Evo X Intake Valves (36mm / +1mm) - set/8

4B11 EVO X

BC3134 – Mitsubishi 4B11 Evo X Intake Valves (36mm / +1mm) – set/8

Original price was: $219.10.Current price is: $190.52.
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<b>BC3135</b> - Mitsubishi 4B11 Evo X Exhaust Valves (30mm / +1mm) - set/8

4B11 EVO X

BC3135 – Mitsubishi 4B11 Evo X Exhaust Valves (30mm / +1mm) – set/8

Original price was: $219.10.Current price is: $190.52.
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<b>BC3914</b> - Mitsubishi 4B11T (Evo X) / Hyundai G4KF Intake Valve Guides

4B11 EVO X

BC3914 – Mitsubishi 4B11T (Evo X) / Hyundai G4KF Intake Valve Guides

Original price was: $92.93.Current price is: $80.81.
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<b>BC3915</b> - Mitsubishi 4B11T (Evo X) / Hyundai G4KF Exhaust Valve Guides

4B11 EVO X

BC3915 – Mitsubishi 4B11T (Evo X) / Hyundai G4KF Exhaust Valve Guides

Original price was: $92.93.Current price is: $80.81.
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<b>BC5135</b> - Hyundai G4KF (2.0L) Crankshaft - 4340 Billet - 98mm Stroke w/Exo X Rod Journal

CRANKSHAFTS

BC5135 – Hyundai G4KF (2.0L) Crankshaft – 4340 Billet – 98mm Stroke w/Exo X Rod Journal

Original price was: $2,779.72.Current price is: $2,417.15.
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<b>BC6518</b> - Hyundai 2.0L G4KF Theta - ProH625+ Connecting Rods w/ARP Custom Age 625+ Fasteners

HYUNDAI G4KF

BC6518 – Hyundai 2.0L G4KF Theta – ProH625+ Connecting Rods w/ARP Custom Age 625+ Fasteners

Original price was: $1,022.79.Current price is: $889.38.
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<b>BC6519</b> - Hyundai 2.0L G4KF Theta - ProH2K Connecting Rods w/ARP2000 Fasteners

HYUNDAI G4KF

BC6519 – Hyundai 2.0L G4KF Theta – ProH2K Connecting Rods w/ARP2000 Fasteners

Original price was: $685.57.Current price is: $596.15.
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<b>BC8700</b> - Connecting Rod Bushing - .787" / 20mm Diameter - 1 only unit

1FZFE

BC8700 – Connecting Rod Bushing – .787″ / 20mm Diameter – 1 only unit

Original price was: $19.22.Current price is: $16.71.
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<b>BC8701</b> - Connecting Rod Bushing - .827" / 21mm Diameter - 1 only unit

1FZFE

BC8701 – Connecting Rod Bushing – .827″ / 21mm Diameter – 1 only unit

Original price was: $19.22.Current price is: $16.71.
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<b>BC8702</b> - Connecting Rod Bushing - .866" / 22mm Diameter - 1 only unit

1FZFE

BC8702 – Connecting Rod Bushing – .866″ / 22mm Diameter – 1 only unit

Original price was: $19.22.Current price is: $16.71.
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<b>BC8703</b> - Connecting Rod Bushing - .905" / 23mm Diameter - 1 only unit

1FZFE

BC8703 – Connecting Rod Bushing – .905″ / 23mm Diameter – 1 only unit

Original price was: $19.22.Current price is: $16.71.
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