Supertech

San Jose-based Supertech makes valves, springs, retainers, pistons and rods for high-RPM and high-boost Honda, Nissan, Toyota and Subaru engines.

Shop genuine Supertech camshafts & valvetrain, engine internals and more for Japanese performance cars. Read the Supertech brand story, browse by car under Shop by Vehicle, or contact us for fitment help before you order.

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427 products

Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Stainless Steel Black Nitride Exhaust Valves - Oversize +1mm (2JZ-GE) for Toyota Supra / Aristo / IS300 / GS300 (2JZ-GE) JZA80/JZS161/JZS147/XE10 Sale priceFrom $29.28
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Stainless Steel Black Nitride Exhaust Valves - Oversize +0.5mm (4G63) for Mitsubishi Lancer Evolution (4G63) CN9A/CP9A/CT9A Sale priceFrom $28.53
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Stainless Steel Black Nitride Exhaust Valves - Oversize +1mm (EJ25) for Subaru Impreza WRX STI (EJ25 turbo) GDB/GRB/GVB/VAB Sale priceFrom $30.92
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Stainless Steel Black Nitride Exhaust Valves - Oversize +1mm (EJ20) for Subaru Impreza WRX STI (EJ20 turbo) GDB Sale priceFrom $30.92
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Inconel Exhaust Valves - Oversize +1mm (B18C) for Honda Integra Type R (B18C) DC2 Sale priceFrom $28.17
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Inconel Exhaust Valves - Oversize +1mm (B16A) for Honda Civic (B16A) EG/EK9 Sale priceFrom $28.17
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Inconel Exhaust Valves - Oversize +1mm (CA18DET) for Nissan Silvia / 180SX (CA18DET) S13/180SX Sale priceFrom $52.97
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Stainless Steel Black Nitride Exhaust Valves - Oversize +1mm (VQ35DE) for Nissan 350Z / G35 (VQ35DE) Z33/V35 Sale priceFrom $32.94
Supertech Sodium Filled Inconel Exhaust Valves (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Stainless Steel Black Nitride Exhaust Valves - Oversize +0.5mm (3S-GTE) for Toyota MR2 Turbo (3S-GTE) SW20 Sale priceFrom $29.28
Supertech Performance Single Valve Spring Kit with Titanium Retainers (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Performance Dual Valve Spring Kit with Titanium Retainers (4A-GE 16V) for Toyota Corolla AE86 (4A-GE 16V) AE86 Sale priceFrom $584.52
Supertech Titanium Retainers - Each (K24A2) for Honda RSX / K-swap (K24A2) DC5
Supertech Titanium Retainers - Each (K24A2) for Honda RSX / K-swap (K24A2) DC5 Sale priceFrom $20.34
Supertech Titanium Retainers - Each (K24A2) for Honda RSX / K-swap (K24A2) DC5
Supertech Titanium Retainers - Each (K20A) for Honda Integra Type R / RSX (K20A) DC5 Sale priceFrom $20.34
Supertech Titanium Retainers - Each (K24A2) for Honda RSX / K-swap (K24A2) DC5
Supertech Titanium Retainers - Qty: 24 (6G72) for Mitsubishi 3000GT / GTO (6G72) Z16A Sale priceFrom $20.34
Supertech Performance Single Valve Spring Kit with Titanium Retainers (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Performance Dual Valve Spring Kit with Titanium Retainers (VR38DETT) for Nissan GT-R (VR38DETT) R35 Sale price$1,180.04
Supertech Dual Valve Springs (BP) for Mazda MX-5 Miata 1.8 (BP) NA/NB
Supertech Dual Valve Springs (BP) for Mazda MX-5 Miata 1.8 (BP) NA/NB Sale priceFrom $19.37
Supertech Dual Valve Springs (BP) for Mazda MX-5 Miata 1.8 (BP) NA/NB
Supertech Dual Valve Springs (4B11T) for Mitsubishi Lancer Evolution X (4B11T) CZ4A Sale priceFrom $19.37
Supertech Dual Valve Springs (BP) for Mazda MX-5 Miata 1.8 (BP) NA/NB
Supertech Dual Valve Springs (CA18DET) for Nissan Silvia / 180SX (CA18DET) S13/180SX Sale priceFrom $19.37
Supertech Performance Single Valve Spring Kit with Titanium Retainers (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Performance Dual Valve Spring Kit with Titanium Retainers (B20) for Honda Civic / Integra (B20) EG/EK9/DC2 Sale priceFrom $705.83
Supertech Performance Single Valve Spring Kit with Titanium Retainers (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Performance Dual Valve Spring Kit with Titanium Retainers (B18A/B) for Honda Integra (B18A/B) DC2 Sale priceFrom $705.83
Supertech Performance Single Valve Spring Kit with Titanium Retainers (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Performance Single Valve Spring Kit with Titanium Retainers (SR20DET) for Nissan Silvia / 180SX (SR20DET) S13/180SX/S14/S15 Sale priceFrom $558.78
Supertech Dual Valve Springs (BP) for Mazda MX-5 Miata 1.8 (BP) NA/NB
Supertech Dual Valve Springs (B18A/B) for Honda Integra (B18A/B) DC2 Sale priceFrom $19.32
Supertech Dual Valve Springs (BP) for Mazda MX-5 Miata 1.8 (BP) NA/NB
Supertech Dual Valve Springs (B20) for Honda Civic / Integra (B20) EG/EK9/DC2 Sale priceFrom $19.32
Supertech Performance Single Valve Spring Kit with Titanium Retainers (K20C1) for Honda Civic Type R (K20C1) FK8/FL5
Supertech Performance Beehive Valve Spring Kit with Titanium Retainers (RB25 NEO) for Nissan Skyline / Stagea (RB25 NEO) R34/C34 Sale price$1,060.42
Supertech Dual Valve Springs (BP) for Mazda MX-5 Miata 1.8 (BP) NA/NB
Supertech Dual Valve Springs (4A-GE 16V) for Toyota Corolla AE86 (4A-GE 16V) AE86 Sale priceFrom $19.32