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 absolute essentials for a forged bottom end and high-boost head sealing.
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1 x Atomic Barra Cosworth F1 Series Forged Pistons (Options available for Piston Size and Compression Ratio: e.g., STD / 8.7:1 Dishtop)
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1 x Atomic Barra Billet Superleggera Conrods Standard SIZE Wrist Pin - High Strength
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1 x ACL Barra Race Main Bearings 360 Degree Thrust | STD - Standard clearance
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1 x ACL Race Conrod Bearings STD - Recommended
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1 x Atomic Barra Tool Steel Headstuds 12mm Studs - OS Washers
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1 x Atomic Barra Gasket Kit MLS-D Headgasket | BA or Late BF/all FG models
Phase 2: Reliability & Harmonic Control
Building on the forged short block, Phase 2 introduces the heavy-duty oiling, timing, and block reinforcement needed to keep the engine alive at high RPMs and extreme power levels.
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1 x Atomic Barra Billet Girdle 10mm | BA BF FG | STD Caps (Includes Windage Tray)
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1 x Atomic Barra Race Spec FULL Steel Oil Pump Medium Flow | Suits VCT setups | Max ~80psi
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1 x Atomic Barra Heavy Duty Timing Chain Kit -C Complete (Includes everything needed for a full timing overhaul)
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1 x Atomic Barra ATI Balancer Kit Race Balancer (Crucial for high-RPM harmonic dampening)
Phase 3: Maximum Flow (Cylinder Head & Valvetrain)
The final phase unlocks the true breathing potential of the 698 kit. This includes oversized valves and upgraded valvetrain geometry to match your chosen camshaft profile.
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1 x Atomic Barra Billet Camshafts (Options available: Stage 2, Stage 3, or Stage 4)
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1 x Atomic Barra Valve Springs Stage 3 | 100-110lbs | 35psi max | Ovate wire
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1 x Atomic Stainless Steel Intake Valves Set of 12 | +0.5mm Oversize
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1 x Atomic Stainless Steel Exhaust Valves Set of 12 | +0.5mm Oversize (32.5mm)
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1 x Atomic High Rev Hydraulic Lifters ‘Anti Pump-Up’ Design