Collection: JZ Collection
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Antigravity 42in Clampless Starting Harness w/Fork Terminals (For XP-1/XP-3)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity 42in Clampless Starting Harness (For XP-1/XP-3)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity 45in Clampless Starting Harness (For XP-1-G2/XP-10-G2)
Regular price $29.99Regular priceSale price $29.99 -
Antigravity 20in Clampless Starting Harness (For XP-1-G2/XP-10-G2)
Regular price $19.99Regular priceSale price $19.99 -
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 $19.99 -
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 16in Clampless Starting Harness (For XP-10/XP-10-HD)
Regular price $18.99Regular priceSale price $18.99 -
Antigravity 42in Clampless Starting Harness w/Fork Terminals (For Sport Micro-Start)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity 42in Clampless Starting Harness (For Sport Micro-Start)
Regular price $21.99Regular priceSale price $21.99 -
Antigravity H7/Group 94R Lithium Car Battery w/Re-Start
Regular price $1,349.99Regular priceSale price $1,349.99Sold out -
Antigravity H7/Group 94R Lithium Car Battery w/Re-Start
Regular price $949.99Regular priceSale price $949.99 -
Antigravity H5/Group 47 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 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 $949.99Regular priceSale price $949.99 -
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 Special Voltage Small Case 12-Cell 6V Lithium Battery
Regular price $219.99Regular priceSale price $219.99 -
Aeromotive Metri-Pack 280 to Walbro Harness Electrical Adapter
Regular price $52.99Regular price$52.68Sale price $52.99 -
Aeromotive Wiring Harness Kit - Dual Fuel Pump
Regular price $260.99Regular price$260.25Sale price $260.99 -
Aeromotive 30 Amp Fuel Pump Wiring Kit (Incl. Relay/Breaker/Wire/Connectors)
Regular price $138.99Regular price$138.90Sale price $138.99 -
Aeromotive Adapter - AN-12 Male to Female - 1/8-NPT Port
Regular price $39.99Regular price$39.49Sale price $39.99
About the JZ Collection
Build your 2JZ-GTE or 1JZ-GTE the right way with performance parts from the world's most trusted JDM brands. J-Spec Garage's JZ Collection covers the full range of Toyota's legendary inline-six engine family — from the twin-turbocharged 2JZ-GTE found in the MK4 Toyota Supra to the 1JZ-GTE used in the JZX100 and JZX110 platforms.
You'll find engine internals, forged pistons, connecting rods, camshafts, valvetrain components, head studs, and supporting mods from Brian Crower, GSC Power Division, Platinum Racing Products (PRP), Powerhouse Racing (PHR), Injector Dynamics, and more. Whether you're chasing 600 hp, 800 hp, or 1,000+ hp from your JZ engine, this collection has the components to build it reliably and repeatedly.
The 2JZ-GTE is one of the most capable factory engines ever produced, and J-Spec Garage stocks the parts that unlock what Toyota left on the table. We back every order with our price match guarantee and fast US shipping.
Shop the complete JZ engine parts collection below.
Building a 2JZ-GTE? Read the Complete 2JZ-GTE Build Guide — parts, turbos, fuel systems, and ECUs organized by power target so you spec the right components the first time.









