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Availability: Special Order
Supertech
Item #: SPRK-H1005D/GTIR -
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 only come +1mm.
Availability: In Stock
Mazworx
Item #: 13206-1N500-MAZ -
Fits both P11 (1N5) and P12 (8H6) heads. Typically used in P12 heads when converting to dual valve springs. Sold as a set of 16.
Availability: In Stock
Mazworx
Item #: 301002 -
Mazworx Shimless SR20VE Intake and Exhaust Valves are recommended for High RPM All Motor applications. Intake valves: +2.85mm (37mm) x 5.5mm stemExhaust valves: +0.85mm (30mm) s 5.5mm stemRequires 5.5mm retainers and keepers.P11 heads are required to change to 5.5mm guides.Lashing is done by tipping of the valve.Intake seat will need to be replaced with larger ones.
Availability: In Stock
Supertech
Item #: SEAT-H-N240 -
Needed for Dual Valve Spring applications.SR20DET Exhaust with 7mm valve stem.
Availability: Call for Availability
Mazworx
Item #: 3010 -
Mazworx Shimless SR20VE Intake and Exhaust Valves are recommended for High RPM, High Power applications, or where the rev limiter is constantly hit. Retainers require machining. Comes in either standard or oversized. P12 heads are required to change to 6mm guides. Lashing is done by tipping of the valve. Comes as a complete set of 8 Intake Valves and 8 Inconel Exhaust Valves.
Availability: In Stock
Supertech
Item #: SEAT-SR20-6 -
Needed for Dual Valve Spring applications.6mm Valve Stem.7mm to 6mm Valve Conversion.
Availability: In Stock
Supertech
Item #: VS-N -
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) ...
Availability: In Stock
Supertech
Item #: VS-N6I -
Price is for each. Fits Nissan 6mm stem valves common in these motors:SR20DETSR20VE P11All RBsAll VQsCA18VG30VK56VR38
Availability: In Stock
Supertech
Item #: RET-NSR20-T1 -
Supertech retainers are manufactured with high quality military certified Titanium alloy, and are CNC machined for a tight fit. Supertech's high quality retainers are among the best in the industry.
Availability: In Stock
Supertech
Item #: GDE-NSR -
Our Valve Guides are precision-machined from high quality Manganese Bronze material.For Exhaust guides for high powered engines that need a better thermal transfer coefficient, Supertech uses a copper alloy. Copper has about 3 times higher thermal transfer than Manganese Bronze