// FD3S · 13B-REW · RX-7 SPIRIT R
Mazda
RX-7 FD
Forged, track-proven performance parts engineered for the FD3S RX-7 and the legendary 13B-REW rotary. Twin-turbo response, rethought down to the apex seal.
// BUILD YOUR RX-7
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Mazda RX-7 Brakes
The lightweight RX-7 is all about balance and braking feel. Shop performance...
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Mazda RX-7 Cooling
Rotaries live and die by heat management — and the 13B-REW is...
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Mazda RX-7 Drivetrain
Get rotary power to the ground reliably. Shop clutches, differentials, axles, and...
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Mazda RX-7 Electronics
The 13B-REW responds beautifully to proper engine management. Shop standalone ECUs, gauges,...
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Mazda RX-7 Engine Parts
Build your 13B-REW right — and shop the only authorized US source...
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Mazda RX-7 Exterior
The FD RX-7's curves are some of the most beautiful ever drawn....
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Mazda RX-7 Fuel
Rotaries are thirsty, and a high-output 13B-REW needs serious fueling. Shop high-flow...
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Mazda RX-7 Intake & Exhaust
Let the 13B-REW breathe and sing. Shop intakes, exhaust manifolds, downpipes, and...
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Mazda RX-7 Interior
Restore or upgrade the RX-7's driver-focused cabin. Shop gauges, gauge pods, shift...
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Mazda RX-7 Suspension & Steering
The RX-7's near-perfect balance deserves dialed suspension. Shop coilovers, sway bars, control...
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Mazda RX-7 Forced Induction
Boosted rotary power is a thing of beauty — and this is...
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Mazda RX-7 Ignition
Strong spark is everything on a rotary. Shop ignition coils, leading and...
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Antigravity 42in Clampless Starting Harness w/Fork Terminals (For XP-10/XP-10-HD)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity 42in Clampless Starting Harness (For XP-10/XP-10-HD)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity 45in Clampless Starting Harness (For XP-20/XP-20-HD)
Regular price $29.99Regular priceSale price $29.99 -
Antigravity 20in Clampless Starting Harness (For XP-20/XP-20-HD)
Regular price $19.99Regular priceSale price $19.99Sold out -
Antigravity H7/Group 94R Lithium Car Battery w/Re-Start
Regular price $1,349.99Regular priceSale price $1,349.99 -
Antigravity 16in Clampless Starting Harness (For XP-10/XP-10-HD)
Regular price $18.99Regular priceSale price $18.99 -
Antigravity 42in Clampless Starting Harness (For Sport Micro-Start)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity 42in Clampless Starting Harness w/Fork Terminals (For Sport Micro-Start)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity H7/Group 94R Lithium Car Battery w/Re-Start
Regular price $949.99Regular priceSale price $949.99 -
Antigravity Re-Start Keyfob Replacement
Regular price $29.99Regular priceSale price $29.99 -
Antigravity H5/Group 47 Lithium Car Battery w/Re-Start
Regular price $949.99Regular priceSale price $949.99 -
Antigravity 16V 5A Lithium Battery Charger (For AG-VTX-20/AG-H6-30-16)
Regular price $89.99Regular priceSale price $89.99 -
Antigravity Group 27 Lithium Car Battery w/Re-Start
Regular price $1,049.99Regular priceSale price $1,049.99 -
Antigravity Group 27 Lithium Car Battery w/Re-Start
Regular price $949.99Regular priceSale price $949.99 -
Antigravity Group 27 Lithium Car Battery w/Re-Start
Regular price $949.99Regular priceSale price $949.99 -
Antigravity Special Voltage Small Case 12-Cell 6V Lithium Battery
Regular price $219.99Regular priceSale price $219.99 -
Antigravity XPS V-12 Lithium Battery - Right Side Negative Terminal
Regular price $399.99Regular priceSale price $399.99 -
Antigravity XP-20-HD Micro-Start Jump Starter
Regular price $249.99Regular priceSale price $249.99 -
Antigravity XP-20 Micro-Start Jump Starter
Regular price $229.99Regular priceSale price $229.99 -
Antigravity XPS V-12 Lithium Battery - Left Side Negative Terminal
Regular price $399.99Regular priceSale price $399.99 -
Antigravity XP-10 (2nd Generation) Micro-Start Jump Starter
Regular price $199.99Regular priceSale price $199.99 -
Antigravity XPS V-10 Lithium Battery - Left Side Negative Terminal
Regular price $349.99Regular priceSale price $349.99 -
Antigravity Top Post to Side Terminal Adapters
Regular price $19.99Regular priceSale price $19.99 -
Antigravity U1/Group U1R Lithium Auto Battery w/Re-Start
Regular price $619.99Regular priceSale price $619.99
About the Mazda RX-7 Collection
J-Spec Garage is your home for Mazda RX-7 performance parts — and the only authorized US distributor of RaceOnly rotary engine components. No other US retailer carries RaceOnly. That exclusivity, combined with one of the deepest FD and FC RX-7 catalogs in the country, makes J-Spec the go-to source for serious rotary builds.
Our Mazda RX-7 collection covers over 2,100 products for the FD3S RX-7 (1992–2002, 13B-REW twin-turbo) and the FC3S RX-7 (1986–1991, 13B-T turbocharged). You'll find everything from apex seals, e-shaft components, and rotor housings to turbochargers, fuel system upgrades, standalone engine management, suspension, brakes, cooling, and interior — for every stage of build from a daily street rebuild to a high-horsepower track setup.
Key categories include RaceOnly billet CNC rotary parts, 13B-REW rebuild components, single turbo conversion kits, sequential twin-turbo upgrades, fuel rails and injectors, standalone ECUs, coilovers, and big brake kits. Brands stocked include RaceOnly, HKS, GReddy, Injector Dynamics, Haltech, ECUMaster, Turbosmart, Garrett, Brian Crower, DBA Brakes, and Chase Bays, among many more.
The FD RX-7 is one of the most rewarding — and most demanding — platforms to build. Get it right with parts you can trust, backed by our price match guarantee and fast US shipping.
Shop 2,100+ Mazda RX-7 parts below.
Building a 13B-REW? Read the FD RX7 13B-REW Engine Parts Guide — foundation to fuel system, with RaceOnly billet upgrades called out throughout. New to the rotary platform? Start with What Is the 13B-REW?









