Supertech

These fit all SR20 heads.  Configuration refers to the stem diameter of the valve.  All SR20DET heads use 7mm. If using an SR20DET head with aftermarket 6mm valves, select 7mm to 6mm Conversion. SR20DE and SR20VE (1N5) use 6mm.  If using an SR20VE 8H6 head with OEM valves or aftermarket 5.5mm valves, select 5.5mm. Sold as each. Supertech Valve Guides are precision-machined from high quality Manganese Bronze material. Supertech Valve Guides are designed to be used in...

Price is for each. Choose your valve stem size. VS-N5.5E fits Nissan 5.5mm stem valves common in these motors:SR20VE P12 (Fits intake and exhaust side) VS-N6E fits Nissan 6mm stem valves common in these motors:SR20DESR20VE P11RB20/RB25All VQsCA18VG30VK56VR38 VS-N7E fits Nissan 7mm stem valves common in these motors:SR20DETKA24DE (Fits intake and exhaust side)RB26TB48 (Fits intake and exhaust side) ...

This valvetrain kit is only for theGTi-R (54C) SR20DET head except the. Only springs options are Dual Valve Springs with Titanium Retainers. Choose your upgrades. Springs are 75lbs on the seat and max lift of 12.1mm. Valves are discontinued.

Supertech Inconel Exhaust Valve for the Nissan SR20DET (non-GTiR or 54C), +1mm Size.

Supertech Inconel Exhaust Valve for the Nissan SR20DET (non-GTiR or 54C), +1mm Size with 6mm Stem.  Must use 6mm conversion guides.

Supertech Inconel Exhaust Valve for the Nissan SR20DET (non-GTiR or 54C), Standard Size.

Supertech Inconel Exhaust Valve for the Nissan SR20VE (P11 or 1N5), +2mm Size.  Can be used on the P12/8H6 head if you change the guides.

Supertech Inconel Exhaust Valve for the Nissan SR20VE (P11 or 1N5), Standard Size.  Can be used on the P12/8H6 head if you change the guides.

Needed for Dual Valve Spring applications.6mm Valve Stem.7mm to 6mm Valve Conversion.

Needed for Dual Valve Spring applications.SR20DET Exhaust with 7mm valve stem.

These fit all SR20 heads.  Configuration refers to the stem diameter of the valve.  All SR20 heads minus the SR20VE 8H6 use 6mm.  If using an SR20VE 8H6 head with OEM valves or aftermarket 5.5mm valves, select 5.5mm. Sold as each. Supertech Valve Guides are precision-machined from high quality Manganese Bronze material. Supertech Valve Guides are designed to be used in combination with Supertech low friction black nitrided valves to provide the best solution for both...

Price is for each. Fits Nissan 6mm stem valves common in these motors:SR20DETSR20VE P11All RBsAll VQsCA18VG30VK56VR38

Supertech Intake Valve for the Nissan RB26DETT, +1mm Size.

Supertech Intake Valve for the Nissan RB26DETT, Standard Size.

Supertech Intake Valve for the Nissan SR20DET (non-GTiR or 54C), +1mm Size.

Supertech Intake Valve for the Nissan SR20DET (non-GTiR or 54C), Standard Size.

Supertech Intake Valve for the Nissan SR20VE (P11 or 1N5), +1mm Size.  Can be used on the P12/8H6 head if you change the guides.

Supertech Intake Valve for the Nissan SR20VE (P11 or 1N5), Standard Size.  Can be used on the P12/8H6 head if you change the guides.

Supertech Billet Steel Valve Keeper. Sold individually.  Need 32pcs as a complete kit. Only works on SR20VE P12 (8H6) Heads with OEM size (5.5mm) valves.

Supertech Billet Steel Valve Keeper. Sold individually.  SR20s need 32pcs as a complete kit.Works on all SR20s except SR20VE P12 (8H6) Heads.Also works with all RBs (needs 48pcs).

This valvetrain kit is for the SR20DE/DET heads except the GTi-R. Basic kit comes with Titanium Retainers and Single Springs. Choose your upgrades. If you have hydraulic pivots, we recommend not going higher than 90lb springs. If upgrading your valve size, we recommend going with the 6mm stem exhaust valves. This will require replacing the valve guides.

All Supertech valve springs are made with premium Superclean Chrome Silicon Vanadium Steel alloy for higher performance & durability at high rpms. Using high quality steel alloy also provides the added benefit of better structural memory for all of valve springs.Supertech dual valve springs are designed and manufactured to reduce valvetrain harmonics, increase durability, and provide an increase in performance for your high performance racing engine.

This valvetrain kit is for the P11 SR20VE heads (1N5) with 6mm valve stems. Basic kit comes with Titanium Retainers and Dual Valve Springs. Choose your upgrades. For all motor applications, we recommend not going higher than 83lb springs.