1999-2005 Mazda Miata (NB) Engine Internals

53 products

From pistons and connecting rods to camshafts, crankshafts, bearings, and gaskets, our engine internals selection has everything needed for a reliable bottom end and a high-revving top end. With forged and performance options alongside OE-style replacements, every component is built for precision and durability. Lay the foundation for serious power and keep your engine strong under pressure.

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ACT 2002 Porsche 911 Pilot Bearing

Regular price $7.00
Sale price $7.00 Regular price
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PB1005 is a high quality replacement bushing or bearing that is placed in the end...
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Wiseco 84.50MM RING SET Ring Shelf Stock

Regular price $32.99
Sale price $32.99 Regular price
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Wiseco 4-stroke piston ring sets are made specifically to Wiseco's specifications to provide ultimate performance...
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Wiseco 84.00MM RING SET Ring Shelf Stock

Regular price $33.99
Sale price $33.99 Regular price
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Wiseco 4-stroke piston ring sets are made specifically to Wiseco's specifications to provide ultimate performance...
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Wiseco 83.50MM RING SET Ring Shelf Stock

Regular price $33.99
Sale price $33.99 Regular price
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Wiseco 4-stroke piston ring sets are made specifically to Wiseco's specifications to provide ultimate performance...
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Mishimoto 04-13 Mazda 3 Racing Thermostat - 68C

Regular price $91.95
Sale price $91.95 Regular price
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The Mishimoto racing thermostat for the Mazda 3 2004-2013 is designed to help your cooling...

Gates 82-88 Camaro / 69-71 Mustang / 90-05 Mazda MX-5 Miata Thermostat Gasket

Regular price $17.99
Sale price $17.99 Regular price
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Gates 82-88 Camaro / 69-71 Mustang / 90-05 Mazda MX-5 Miata Thermostat GasketThis Part Fits:...

Gates 90-05 Mazda MX-5 Miata / 71-85 Toyota Celica Super Stat - 180 Degree

Regular price $41.99
Sale price $41.99 Regular price
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Gates 90-05 Mazda MX-5 Miata / 71-85 Toyota Celica Super Stat - 180 DegreeThis Part...
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Eagle 90-97/99-04 Mazda Miata Connecting Rods (Set of 4)

Regular price $420.85
Sale price $420.85 Regular price
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Forged 4340 steel H-Beam connecting rods are forged from a two-piece forging and feature a...
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King Ford/Kia/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve Rod Bearing Set - Size STD

Regular price $50.99
Sale price $50.99 Regular price
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King Ford/Kia/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve Rod Bearing Set - Size STDThis...
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King Ford/Kia/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve Performance Rod Bearing Set - Size STD

Regular price $68.83
Sale price $68.83 Regular price
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King Ford/Kia/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve Performance Rod Bearing Set - Size...
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Connecting Rod Bearings (Set of 4) - Size +.026mm

Regular price $68.83
Sale price $68.83 Regular price
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Connecting Rod Bearings (Set of 4) - Size +.026mmThis Part...
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King Ford/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve Performance Rod Bearing Set - Size +.25mm

Regular price $68.83
Sale price $68.83 Regular price
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King Ford/Mazda DOHC 16 Valve/SOHC 16 Valve/SOHC 8 Valve Performance Rod Bearing Set - Size...
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Connecting Rod Bearing Set (Set of 4) - Size +0.5mm

Regular price $68.83
Sale price $68.83 Regular price
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Connecting Rod Bearing Set (Set of 4) - Size +0.5mmThis...
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King Mazda B6/B6-T 1.6-1.8L XP Tri-Metal Performance Connecting Rod Bearing Set of 4 - Size STDX

Regular price $68.83
Sale price $68.83 Regular price
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King Mazda B6/B6-T 1.6-1.8L XP Tri-Metal Performance Connecting Rod Bearing Set of 4 - Size...
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Main Bearing Set - Size STD

Regular price $104.60
Sale price $104.60 Regular price
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Main Bearing Set - Size STDThis Part Fits: Year Make...
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Main Bearing Set - Size +0.25mm

Regular price $117.43
Sale price $117.43 Regular price
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Main Bearing Set - Size +0.25mmThis Part Fits: Year Make...
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Main Bearing Set - Size STDX

Regular price $117.43
Sale price $117.43 Regular price
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King Engine Bearings Mazda B6/B6-T/ZM/B3/B5 Main Bearing Set - Size STDXThis Part Fits: Year Make...
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King Engine Bearings Mazda B1/B3/B5/B6/B6B/B6E/B6ZE/BJ Thrust Washer Set

Regular price $32.99
Sale price $32.99 Regular price
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King Engine Bearings Mazda B1/B3/B5/B6/B6B/B6E/B6ZE/BJ Thrust Washer SetThis Part Fits: Year Make Model Submodel 1994-1997...
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Mahle Rings Ford Pass 112 1.8L Eng 91-94 Mazda 1839cc Eng 90-93 Chrome Ring Set

Regular price $276.75
Sale price $276.75 Regular price
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MAHLE(R) piston rings are the most technically advanced piston rings in the industry. Driven by...
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Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Exhaust 28mm Stainless Race Master Valves

Regular price $211.14
Sale price $211.14 Regular price $263.93
Unit price
Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag,...
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Manley 90-99 Mazda Miata 1.8L (BP056) DOHC 16 Intake 33mm Stainless Race Master Valves

Regular price $211.14
Sale price $211.14 Regular price $263.93
Unit price
Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag,...

Manley Mazda Miata 1.6L/1.8L B6/BP H-Beam Connecting Rod (Single Rod)

Regular price $138.56
Sale price $138.56 Regular price $143.89
Unit price
When it comes to H-Beam connecting rods, not all are created equal. Manley's H-Beam Series...

Manley Mazda Miata 1.6L/1.8L B6/BP H-Beam Connecting Rod Set

Regular price $554.27
Sale price $554.27 Regular price $615.85
Unit price
When it comes to H-Beam connecting rods, not all are created equal. Manley's H-Beam Series...
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Mishimoto 99-05 Mazda Miata NB 177 Degree Racing Thermostat

Regular price $68.95
Sale price $68.95 Regular price
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The Mishimoto racing thermostat for the 99-05 Mazda Miata NB will promote greater cooling efficiency...
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