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Supertech Piston Rings for 1.8L Mazda Miata

Miata Piston Rings

SPRTECH1.8RNGS

PRICE IS FOR A FULL ENGINE RING SET TO EQUIP ALL 4 PISTONS. Each individual ring "set" consists of 3 rings (Two compression and one oil) and are normally sold separately from Supertech (in 3 ring sets), but we combine 4 individual sets of rings to create an entire set that will ease ordering for an engine rebuild. If you need only one ring set, please choose "individual set" from the drop down menu

Supertech piston rings are designed to be used with Supertech pistons and come in a variety of sizes. Please use this guide to help you choose the correct size for your application:

Miata 1.8 Engine

  • GNH8350 is for 83.50mm Pistons, which is a 0.5mm overbore from stock
  • GNH8400 is for 84.00mm pistons, which is 1.0mm overbore from stock
  • GNH8500 is for 85.00mm pistons with 11:1 compression ratio, which is 2.0mm overbore from stock
  • SWM31017-0 is for 85.00mm pistons with 9:1 compression ratio and is 2.0mm overbore from stock
  • SWM31017-2 is for 85.50mm pistons with 9:1 compression ratio, which is 2.50mm overbore from stock
  • GNH8550 is for 85.50mm pistons with 11:1 compression ratio, which is 2.50mm overbore from stock

  • Shipping: In-Stock Items ship USPS unless noted otherwise
    Pricing: $72.00

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    Shipping Information

    • Item Requires Shipping
    • 3.0 lbs.
    • W8.0000” x H6.0000” x L10.0000”
    • In-Stock Items ship USPS unless noted otherwise

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