ISR Performance

ISR Performance Turbo Kit - Mazda Miata NA 1.6 - With RSX2860 Turbo

$2,712.25
( 0 Reviews )

Preorder date - Nov 30th 2026

Available on backorder. Ships from ISR Performance in 2-4 weeks

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The ISR Performance turbo kit for the Mazda Miata NA 1.6 with RSX2860 turbo is a complete bolt-on system for the 1989 to 1993 Miata, built for owners who want more headroom than the T28 version offers. The RSX2860 is the larger of the two turbo options for this kit, giving the 1.6 a wider power band and a higher ceiling when fuel and tuning are brought up to match.

Complete System

  • ISR RSX2860 turbocharger
  • Turbo manifold
  • Downpipe
  • Intercooler and piping
  • Silicone couplers
  • Oil and coolant lines
  • Blow off valve flange
  • Hardware

RSX2860 Versus T28

The T28 version of this kit spools quickly and suits a modest boost target. Choosing the RSX2860 moves the kit toward owners who plan to run more boost and want the top end that a 2860 style wheel package provides on a small displacement engine.

Fitment

Mazda Miata NA 1.6, 1989 to 1993.

Fuel and Tuning

Fuel system upgrades and engine management are required and sold separately. Do not run the kit on the stock tune.

All ISR Performance products are designed for off-road use only.

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ISR Performance Turbo Kit - Mazda Miata NA 1.6 - With RSX2860 Turbo