Engine Packages

Engine Packages

Performance Parts

Performance Parts

Design Development

Design Development

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Google Reviews
★★★★★
MARCH 2026
"COULDN'T BE HAPPIER WITH THE SERVICE. HIGHLY RECOMMEND FOR ANYTHING BARRA RELATED."
JOSEPH YOUSIF // VERIFIED REVIEW
★★★★★
JANUARY 2026
"NICK AND THE BOYS GOT MY ISSUE SORTED ASAP. SUPER HELPFUL."
BRENDAN MOULDS // BARRA OWNER
★★★★★
OCTOBER 2025
"MASSIVE THANKS FOR BUILDING MY RACE CAR ENGINE! SUPER HAPPY WITH THE SERVICE."
RICHARD // RACE BUILD
★★★★★
AUGUST 2025
"BIG THANKS TO MARTIN AND THE ATOMIC TEAM FOR GETTING INVOLVED WITH OUR OZCAR BUILD."
OZCAR TUGGERAH // CAMP QUALITY
★★★★★
JULY 2025
"EXTREMELY HAPPY WITH THE QUALITY. THEY CLEARLY KNOW THEIR STUFF."
JON // GARAGE DOOR SERVICING
★★★★★
APRIL 2025
"GREAT KNOWLEDGE ON ALL THINGS BARRA. FAST DELIVERY."
KIMMIE // VERIFIED BUYER
Atomic Cast Block Angle 1 Atomic Cast Block Main Journals Atomic Cast Block Bores Atomic Cast Block Deck Atomic Cast Block Engine Mounts
Coming Soon! Atomic Barra H260 Cast Iron Block The 2000HP+ Foundation is Here. Are you ready for more?
Learn More →
Regular price $1,299.00 AUD
Sale price $1,299.00 AUD
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Atomic S15/R34 Paddle Shifters Atomic Paddle ShiftersNissan S15 & R34 OEM Wheels Part No. 301001 | Direct Bolt-On | Ma...
Regular price $12,750.00 AUD
Sale price $12,750.00 AUD
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Atomic Barra 698 Rebuild Kit Phase 1: The Foundation (Short Block & Sealing) This phase provides the bulletproof rotating assembly required to handle extreme cylinder pressures. It includes the...
Regular price $54.00 AUD
Sale price $54.00 AUD
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Atomic Performance Crank Dowels - Extras of the solid crank dowel pins which fit our dowelling jig kits. Keeps that flexplate rock solid in high power/rpm situations!
Regular price from $15,000.00 AUD
Sale price from $15,000.00 AUD
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  **FIRST ORDERS OPEN EST. LATE APRIL - WE ARE NOT ACCEPTING CUSTOMER DEPOSITS UNTIL THEN. THIS PAGE IS LIVE TO GET OUR CUSTOMERS UP TO SPEED ON SPECS AND PRICING ESTIMATES**Atomic H260 Cast I...
9% Off
Regular price $1,450.00 AUD
Sale price $1,450.00 AUD
Regular price $1,599.00 AUD
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NEW - Atomic 4140 Billet Steel Maincaps Made out of a high grade 4140 which is preferred for Barra main caps. Costs more but it's ~45% stronger but essentially, not too hard! This is important be...
Regular price from $109.00 AUD
Sale price from $109.00 AUD
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  Atomic "Stealth" Breather Fitting System Race-Spec Crankcase Ventilation. Factory-Spec Fitment. Is your Barra a bit blocked up? High-horsepower Barra engines need massive crankcase ventila...
Regular price from $370.00 AUD
Sale price from $370.00 AUD
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Atomic Torrington Bearing Kit – Ford Barra DOHC 6-Cyl | Crankshaft Thrust Control | High-Power Reliability Description:In high-horsepower Barra builds, the crankshaft is under massive axial (thrust...
Regular price $590.00 AUD
Sale price $590.00 AUD
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Atomic M57 H13 Tool Steel Head Stud Kit As used in countless Ford Barra engines well over 1500hp! These have been developed and continuously updated to make them stronger, better finish and easier ...
Regular price $8,240.00 AUD
Sale price $8,240.00 AUD
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Atomic 550 GT-A Short Engine Professionally Assembled | 1000HP Rated Short Block The Ultimate Plug-and-Play Bottom End Combining the premium components of our proven 550 Rebuild Kit with...
15% Off
Regular price $9,550.00 AUD
Sale price $9,550.00 AUD
Regular price $11,270.00 AUD
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    Atomic Barra Billet Crank Destroker Kit: The Absolute Race Foundation   The Destroker Kit is the ultimate engineering solution for the dedicated Barra racer. Built to shatter RPM ceilings and...
Regular price from $469.00 AUD
Sale price from $469.00 AUD
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    Atomic Heavy Duty Timing Chain System Bulletproof Timing for 200HP-2000hp Barra Engines The Problem The factory Barra timing system was never designed for high RPM, big cams, or heavy va...
Regular price $575.00 AUD
Sale price $575.00 AUD
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  Atomic MLS-D Gasket Kit ULTRA TOUGH Diesel-Spec Sealing for High Boost Barras The Problem Standard Multi-Layer Steel (MLS) gaskets are great, but under extreme cylinder pressures (high boo...
Regular price $775.00 AUD
Sale price $775.00 AUD
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Atomic Billet Oil Pump Rebuild Kit Atomic Billet Oil Pump Rebuild Kit Upgrade Your OEM Housing to Race Spec ...
Regular price from $400.00 AUD
Sale price from $400.00 AUD
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  Atomic Matched Valve Springs Ovate Wire Technology* | Precision Matched Sets WHY UPGRADE TO ATOMIC SPRINGS!? Factory valve springs are designed for standard RPM and low boost. As you incre...
Regular price from $629.00 AUD
Sale price from $629.00 AUD
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  Atomic Vernier Cam Sprockets Total Timing Control for 1000HP+ Builds The Problem The factory VCT system was designed to cope with much less valvetrain load than high performance engines pr...
Regular price from $575.00 AUD
Sale price from $575.00 AUD
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  Atomic Billet Flexplate Kit SFI Certified Strength USED IN 1500HP+ Builds The Problem In high-horsepower Barra builds, the factory sheetmetal flexplate is a serious liability. Imagine a th...
Regular price from $415.00 AUD
Sale price from $415.00 AUD
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Atomic Billet Main Cap Girdle   **PLEASE NOTE: We are updating the girdles to be Silver Zinc coated instead of yellow/gold as it is more consistent, durable and we think it looks damn good!   ...
Regular price from $560.01 AUD
Sale price from $560.01 AUD
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Atomic Tool Steel Head Studs H13 Tool Steel | CA625 Strength at 1/3 the Price Why Pay 3x More for the Same Strength? In the world of high-horsepower fasteners, you typically have two cho...
Regular price $569.00 AUD
Sale price $569.00 AUD
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Atomic "Anti-Pump" High Rev Lifters High RPM Stability | Double Relief Rate Technology The LIMIT OF Standard Lifters Standard hydraulic lifters are designed for smooth, gentle operation....
Regular price $1,500.00 AUD
Sale price $1,500.00 AUD
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Atomic Race Spec Steel Oil Pump Hand Finished & Ported | Nitrided Billet Internals Why Upgrade to a Steel Housing? Factory alloy oil pumps and billet aluminium oil pumps have a fatal...
Regular price $1,485.00 AUD
Sale price $1,485.00 AUD
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Atomic Performance Camshafts Atomic Performance Camshafts Ford Barra DOHC | Stage 1–5+ | Proven Power Gains Description: ...
Regular price from $1,435.00 AUD
Sale price from $1,435.00 AUD
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Atomic Billet Superleggera Conrods Atomic Superleggera Conrods Engineered Light. Built Strong. ...
Regular price $299.00 AUD
Sale price $299.00 AUD
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On-Car Valve Spring Tool Original Patented Design | Part No. 100704 No Head Removal Required The Atomic Valve Spring Tool is the **original Barra on-car spring compressor tool** designed...
Regular price from $2,049.00 AUD
Sale price from $2,049.00 AUD
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Atomic Forged Pistons Made by ICON | The Quiet High-Performance Solution Forged Strength. Factory Manners. Most forged pistons force you to compromise: you get strength, but you get nois...
Regular price from $15,990.00 AUD
Sale price from $15,990.00 AUD
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  Atomic 550 GT-A Long Motor – Ford Barra DOHC | Street Spec | 800hp atw Capable Description:The Atomic 550 GT-A delivers the ultimate blend of streetable refinement and drag-ready strength. Design...

Our History

Engineering Excellence.
Born from 20 Years of Barra Mastery.

At Atomic Performance Products, we don’t believe an engine platform is ever truly "finished." Under the leadership of Nick Bucher and Next Engine, we are entering a new chapter defined by relentless evolution. We are taking 20 years of Barra excellence and subjecting every component to a modern audit—updating, refining, and strengthening our catalog for the next generation of builders. 📈

Our philosophy is rooted in Continuous Improvement. By working across the entire spectrum—from high-street builds to world-class race teams—we gain the real-world data needed to engineer parts that work in any combination. We don’t just supply the market; we push it forward by re-engineering the very foundation of performance. 🛠️

Engineering the Foundation

We led the way with the industry-first aftermarket cast Barra block, proving that when factory limits are reached, we build a better starting point. This same engineering rigor—utilizing advanced CAD/CAM modeling and FEA testing—is applied to every bolt, pump, and rod we sell to ensure they survive the 2000hp+ frontier. 🧱

A Proven Engine Architecture

Our engine program is the heartbeat of the brand. We offer a validated progression from the street-refined 475 ST to the track-dominating GT-R Unlimited. Each unit is blueprinted and test-run in-house to ensure the "Atomic Standard" is met before it ever reaches your garage. 🏁

Integrity in Support

A performance build is a journey, and we are your partners in it. We pride ourselves on expert technical support and a fair, transparent warranty. We stand behind our workmanship because we know the science and sweat that goes into every Atomic build. 🤝

Workshop or garage setting with tools, parts, and a pegboard with stickers on a wall.
engine head on engine stand with workshop in the background
  • Come for a tour

  • Atomic HQ - Smithfield AUS
various engine arts including sumps and timing covers on black shelves
oil pump testing rig with brick background
engine block on a wooden pallet
Three gears with colored centers on a white background
silver engine tensioners lined up on orange surface