Generated by All in One SEO v5.0.0.1, this is an llms.txt file, used by LLMs to index the site. # RotaryEngine.com | RX-7 Specialties Guaranteed best prices on all rotary engine parts. ## Sitemaps - [XML Sitemap](https://rotaryengine.com/sitemap.xml): Contains all public & indexable URLs for this website. ## Pages - [Rotaryengine.com Welcome Page](https://rotaryengine.com/) - Guaranteed best prices on all rotary engine parts. - [Who We Are](https://rotaryengine.com/who-we-are/) - Our promise to you. RX7 Specialties. - [Online Store](https://rotaryengine.com/online-store/) - Welcome to the REC Store! Due to rapid changes in the marketplace and inventory, and to ensure our customers get the best available service, REC will verify al - [Registration](https://rotaryengine.com/registration/) - [user_registration_form id="535"] - [20B/FD Conversions](https://rotaryengine.com/20b-fd-conversions/) - 20B/FD Conversions For the last 25 years REC and RX7 Specialties has been one of the only outfits we know of to offer all the parts and services to complete a - [Engine Services](https://rotaryengine.com/rotary-engine-services/) - Rotary Engine Services & Modifications We are a complete car service, engine building and machine shop providing exceptional attention to detail and excellent - [Bearing and Gear Modifications](https://rotaryengine.com/bearing-and-gear-modifications/) - Bearing & Gear Modifications We offer a wide variety of upgrade and performance stationary gear and engine bearing parts and services. Much of what we do withi - [Studding & Dowel Pinning](https://rotaryengine.com/studding-dowel-pinning/) - Studding & Dowel Pinning Doweling and studding is one of the best strength modifications that we offer for all rotary engine blocks. This modification is widel - [Rotor Services](https://rotaryengine.com/rotor-services/) - Rotor Performance Upgrades REC offers a variety of rotor performanceu upgrades to give your engine the edge in both performance and reliability tuning. CNC Por - [Oil System Upgrades](https://rotaryengine.com/oil-system-upgrades/) - Oil System Upgrades Dowel Pin Passage Blocking This procedure is actually a part of a service we offer called "External Oil Feed Modification" whether you are - [Eccentric Shaft Polishing](https://rotaryengine.com/eccentric-shaft-polishing/) - Eccentric Shaft Polishing (E-Shaft) For high-performance street and race applications we strongly recommend in our practice to super polish the shaft. Using a - [Engine Porting](https://rotaryengine.com/engine-porting/) - Rotary Engine Porting REC offers several types of porting and polishing. With 20+ years of experience we can offer you some of the best porting techniques to m - [Match Porting](https://rotaryengine.com/match-porting/) - Match Porting There are several types of match porting available. This is a technique to smooth out transitions from one component of the intake or exhaust to - [Race Porting](https://rotaryengine.com/race-porting/) - Race Porting Our race porting service is what we refer to as our stage 3 street port. This is the stage where more emphasis goes into enlarging the exhaust por - [Street Porting](https://rotaryengine.com/street-porting/) - Street Porting Stage 1 More commonly known as a "mild" Street Port, both intake and exhaust ports are opened up larger to become capable of flowing more air wh - [Bridge Porting](https://rotaryengine.com/bridge-porting/) - Bridge Porting Standard Bridge REC offers a few different varieties of bridge porting. Recommended for race engines only, the purpose of bridge porting is to a - [Customizing and Fabrication](https://rotaryengine.com/customizing-and-fabrication/) - Customizing & Fabrication If you see any services that aren't listed, please E-Mail Us for additional information as we will be happy to assist you. Aluminum E - [Exhaust Sleeve Upgrades](https://rotaryengine.com/exhaust-sleeve-upgrades/) - Rotary Exhaust Upgrades 20B/FD Exhaust Sleeve Upgrade At REC we have developed a special technique for removing the very restrictive factory 20B exhaust sleeve - [Ceramic/Cermit Coating](https://rotaryengine.com/ceramic-cermit-coating/) - Ceramic & Cermet Coating Over the years REC has experimented with different cermet and ceramic products which can benefit a rotary engine by reducing friction, - [Machining](https://rotaryengine.com/machining/) - Rotary Machining & Modifications REC & rotaryengine.com offers more than just engine building services and availability to wholesale priced parts. We are a ful - [Lapping Services](https://rotaryengine.com/lapping-services/) - Rotar Housing Lapping Services Surface Grinding When refinishing end housings which have excessive overall wear or stepped wear, it is sometimes necessary to s - [Rotor Housing Refinishing](https://rotaryengine.com/rotor-housing-refinishing/) - Rotor Housing Refinishing This service is a procedure which we have been using and refining on our own projects for the past 15 years. We are now offering this - [Engine Balancing](https://rotaryengine.com/engine-balancing/) - Rotary Engine Balance With 20+ years of experience and a keen understanding of Rotary engineering, along with the aid of a Sunnen engine balancer and our milli - [All Aluminum Custom Engine](https://rotaryengine.com/all-aluminum-custom-engine/) - All Aluminum Custom Engine REC has recently developed procedures to convert your rotary engine to a completely aluminum engine block. You may have noticed one - [Rotor Housing Lapping Services](https://rotaryengine.com/rotor-housing-lapping-services/) - Rotor Housing Lapping Services REC offers a variety of side housing services in order to aid in restoration of the side housings which will in turn offer back - [Privacy Policy](https://rotaryengine.com/privacy-policy/) - Who we areSuggested text: Our website address is: https://rotaryengine.com.CommentsSuggested text: When visitors leave comments on the site we collect the data - [Peripheral Porting](https://rotaryengine.com/peripheral-porting/) - [Engine Building](https://rotaryengine.com/rotary-engine-building/) - Rotary Engine Building is our Specialty Rotaryengine.com has been serving customers around the world by offering the best quality engine rebuilds and rotary en - [Shop Services](https://rotaryengine.com/shop-services/) - REC Shop Services Rotaryengine.com has been operating under its sister company RX7 Specialties which is the name of our service shop. RX7 Specialties has been - [Videos](https://rotaryengine.com/videos/) - Rotary Engine Building and Other Videos We’ll have more breakdowns of some of our popular videos soon, In the meantime, check out our YouTube channel! REC Yo - [Gallery](https://rotaryengine.com/gallery/) - Rotary Engine Parts and Services Photos In the works! Check back soon. ## Products - [Ignition Coils](https://rotaryengine.com/product/ignition-coils/) - Please choose engine options - [Coil Electrical Harness](https://rotaryengine.com/product/coil-electrical-harness/) - Please choose engine options - [NGK Plug Wire Sets](https://rotaryengine.com/product/ngk-plug-wire-sets/) - Please choose engine option - [Mazda Eccentric Shafts](https://rotaryengine.com/product/mazda-eccentric-shafts/) - Please choose options - [X-Treme Rotaries E-Shafts](https://rotaryengine.com/product/x-treme-rotaries-e-shafts/) - Please choose 20B or 13B motor options. - [Counterweights](https://rotaryengine.com/product/counterweights/) - Please choose engine options. - [Spark Plug Sets](https://rotaryengine.com/product/spark-plug-sets/) - Please choose engine options - [Pilot Bearing](https://rotaryengine.com/product/pilot-bearing/) - Fits all rotary engines. - [13B 3 Rotor Factory Race E-Shaft](https://rotaryengine.com/product/13b-3-rotor-factory-race-e-shaft/) - Please contact for details. - [Corner Seal](https://rotaryengine.com/product/corner-seal/) - Sold individually unless otherwise stated. - [Corner Springs](https://rotaryengine.com/product/corner-springs/) - Factory corner seal springs. - [RX8 Hard Stationary Gears](https://rotaryengine.com/product/rx8-hard-stationary-gears/) - Works with all 93 and up E-Shafts, please choose position. - [Rotor Bearings](https://rotaryengine.com/product/rotor-bearings/) - Please choose year - [Main Bearings](https://rotaryengine.com/product/main-bearings/) - Please choose option - [Oil Pump Chains](https://rotaryengine.com/product/oil-pump-chains/) - Please choose options - [Thermopellet Slug](https://rotaryengine.com/product/thermopellet-slug/) - All 86-95. No springs required, includes o-ring. - [Pilot Seal](https://rotaryengine.com/product/pilot-seal/) - Fits all rotary engines. - [Oil Control Ring](https://rotaryengine.com/product/oil-control-ring/) - Sold as a pair of inner and outer, 4 pairs required per 2 rotor engine. - [Oil Springs](https://rotaryengine.com/product/oil-springs/) - Sold as a complete set of 8. Fits all rotary engines. - [Oil O-Ring Set](https://rotaryengine.com/product/oil-o-ring-set/) - Sold as a set of 8. - [RX8 Blow-by Scraper](https://rotaryengine.com/product/rx8-blow-by-scraper/) - RX8 engines only. - [New Rotors](https://rotaryengine.com/product/new-rotors/) - New Mazda OE Rotors - [Used Rotors](https://rotaryengine.com/product/used-rotors/) - Good condition used rotors. - [OE Apex Seals](https://rotaryengine.com/product/oe-apex-seals/) - Sold individually unless otherwise stated. - [2mm REC Race Apex Seals](https://rotaryengine.com/product/2mm-rec-race-apex-seals/) - Full set of 6 treated apex seals. Our in house treated seals. Extremely strong, sold as a set of 6 inclusive of inner and outer springs. - [Ceramic Apex Seals](https://rotaryengine.com/product/ceramic-apex-seals/) - Call or email for pricing. If you add this item to your cart, the total will be confirmed with you via email and reflected on your confirmation invoice. - [Apex Springs](https://rotaryengine.com/product/apex-springs/) - Replacement apex seal springs, one per seal. - [Side Seals](https://rotaryengine.com/product/side-seals/) - Rotor side seals - [Side Springs](https://rotaryengine.com/product/side-springs/) - Side seal springs. - [Rotor Housings](https://rotaryengine.com/product/rotor-housings/) - Choose series from options list. Photos for reference only, actual product may vary. - [RX8 Side Housings](https://rotaryengine.com/product/rx8-side-housings/) - Please choose series from options below. Image for reference only, actual product may vary. - [Refurbished Side Housings](https://rotaryengine.com/product/refurbished-side-housings/) - Please choose series from options below. All refurbished housings are sold individually. Image for reference purposes, actual product may vary. - [20B/Cosmos Side Housings](https://rotaryengine.com/product/20b-cosmos-side-housings/) - Mazda rotary engine side housings. We also offer many services related to reliability and performance upgrades that will relate to the side housings. Please se - [13B FD Side Housings](https://rotaryengine.com/product/13b-fd-side-housings/) - Fits all 93-01 engines. Please choose housing from list below. - [Early 12A Rotor Housing](https://rotaryengine.com/product/early-12a-rotor-housing/) - Fits all early pre 1974 12A engines. - [20B FD Subframe Kit](https://rotaryengine.com/product/20b-fd-subframe-kit/) - Our specially designed subframe is a one-of-a-kind components which REC developed over 20 years ago which provides user-friendly installation and precision fit - [Main Seals](https://rotaryengine.com/product/main-seals/) - Please select from series below. Images for reference purpose only, actual product may vary. - [Front Cover Gaskets](https://rotaryengine.com/product/front-cover-gaskets/) - Please select from series below. Images for reference purpose only, actual product may vary. - [Idemitsu Premix](https://rotaryengine.com/product/idemitsu-premix/) - Rotary engine specific premix. - [Exhaust Manifold Gaskets](https://rotaryengine.com/product/exhaust-manifold-gaskets/) - Choose series below. - [20B Lower Intake Manifold Gasket](https://rotaryengine.com/product/20b-lower-intake-manifold-gasket/) - 20B Lower Intake Manifold Gasket - all 20B engines. - [20B Upper Intake Manifold Gasket](https://rotaryengine.com/product/20b-upper-intake-manifold-gasket/) - 20B Upper Intake Manifold Gasket, all 20B engines. - [13B RE Cosmos Lower Intake Manifold Gasket](https://rotaryengine.com/product/13b-re-cosmos-lower-intake-manifold-gasket/) - 13B RE Cosmos Lower Intake Manifold Gasket - 13B RE engine only. - [13B RE Cosmos Upper Intake Manifold Gasket](https://rotaryengine.com/product/13b-re-cosmos-upper-intake-manifold-gasket/) - 13B RE Cosmos Upper Intake Manifold Gasket - 13B RE engine only. - [Complete Overhaul Kits](https://rotaryengine.com/product/gaskets/) - Please select from series below. Images for reference purpose only, actual product may vary. - [Overhaul Gaskets](https://rotaryengine.com/product/overhaul-gaskets/) - Please select from series below. Images for reference purpose only, actual product may vary. - [Soft Overhaul Kits](https://rotaryengine.com/product/soft-overhaul-kits/) - Please select from series below. Images for reference purpose only, actual product may vary. - [Engine Seal Kits](https://rotaryengine.com/product/engine-seal-kits/) - Please select from series below. Images for reference purpose only, actual product may vary. LINK APEX SEALS ## Product categories - [Rotary Engine Parts](https://rotaryengine.com/product-category/en_part/) - [Rotors, Housings & Other Large Components](https://rotaryengine.com/product-category/en_part/components/) - [Apex & Other Rotor Seals](https://rotaryengine.com/product-category/en_part/seals/) - [Gaskets & Rebuild Kits](https://rotaryengine.com/product-category/en_part/gaskets-rebuild-kits/) - [Performance Parts](https://rotaryengine.com/product-category/performance-parts/) - [Oils & Chemicals](https://rotaryengine.com/product-category/oils/) - [DISCOUNT! Good Used Components](https://rotaryengine.com/product-category/goodused/) - We have a rotating inventory of good used components. Please check back frequently as this list will be updated with available components. - [Gears & Bearings](https://rotaryengine.com/product-category/en_part/gears/) - [E-Shafts](https://rotaryengine.com/product-category/en_part/e-shafts/) - [ECU & Electrical Components](https://rotaryengine.com/product-category/ecu-electrical-components/)