Mazworx Products

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. These fit all SR20s except the P12 8H6 head with 5.5mm valve stems.

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...

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.

OEM Nissan Rocker Arm.You have the option for us to grind it for dual guide conversion.

Made from 1/2" 6061-T6 and sized at 24" x 24", this adapter plate gives you the correct pattern to mount a GM bell housing to your SR20 RWD block.  This plate also stands the engine straight up instead of it's normal lean to the exhaust side.  This is used in chassis drag cars.  You will have to trim the outside profile to match your chassis.  Comes with engine bolts.

Mazworx SR20 91mm Stroker kit is designed to use with turbo setups. This kit features the 91mm billet crankshaft, your choice of rods (depending on hp level) and CP Pistons designed to your specs.This crank requires 1/2-20 flywheel bolts.  So machining to your flywheel is required.

284°/290° | 12.50mm/12.10mm Valve Lift284°/290° racing cams to suit well built competition engines with ported head and bigger valves. Turbo size 67mm+. Fuel type E85 or methanol. Profiles can be used in RWD SR20DET engines with solid lifter conversion.

When installing a FWD head on a RWD block, the FWD head does not have the extra oil drain in the back.  This plug blocks off the the drain hole in the block.  Includes orings. 

Made from 304 Stainless steel and Tial MVR wastegate flange.

They are an H-Series (harder material and more clearance) race bearing. These can be used in standard rebuilds or all out race motors.

They are an H-Series (harder material and more clearance) race bearing. These can be used in standard rebuilds or all out race motors.