Replace your Toyota 4A-GE or 4A-GZE engine's exhaust manifold studs with our high-tensile stud, nut and washer kit, designed to replace worn, corroded or damaged factory manifold studs.
Suitable for Toyota 4A-GE and 4A-GZE 1.6L petrol engines, including 16-valve, 20-valve Silvertop, 20-valve Blacktop and supercharged models, this complete kit features zinc chromate-coated steel studs, copper-plated exhaust lock nuts and hardened flat washers.
Each stud features an internal hex drive for easier installation.
Engine & Vehicle Fitment
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Toyota 4A-GE 16V Bigport: 1.6L naturally aspirated petrol, including early Bluetop and Redtop variants
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Toyota 4A-GE 16V Smallport: 1.6L naturally aspirated petrol
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Toyota 4A-GE 20V Silvertop: 1.6L naturally aspirated petrol
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Toyota 4A-GE 20V Blacktop: 1.6L naturally aspirated petrol
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Toyota 4A-GZE: 1.6L supercharged petrol
Suitable for applicable Toyota vehicles fitted with these engines, including:
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Toyota Corolla AE82, AE92, AE101 and AE111
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Toyota Corolla Levin
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Toyota Sprinter Trueno
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Toyota AE86 Corolla / Sprinter
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Toyota MR2 AW11
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Toyota vehicles with 4A-GE or 4A-GZE engine conversions
Suitable for factory and aftermarket exhaust manifolds using the same stud specifications as factory.
What's Included
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5 × M10 × 1.25 high-tensile exhaust manifold studs with internal hex drives
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5 × Copper-plated exhaust lock nuts
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5 × Hardened flat washers
Why Choose This Exhaust Manifold Stud Kit?
High-tensile steel studs
Manufactured from high-tensile steel to provide strong, reliable exhaust manifold fastening and clamping performance.
Corrosion-resistant coating
The studs feature a zinc chromate coating to help protect against corrosion.
Copper-plated exhaust lock nuts
Designed for exhaust applications, the copper-plated lock nuts reduce seizing and make future removal easier.
Easy hex-drive installation
Each stud features an internal hex drive, allowing straightforward installation using the supplied hex key without needing to double-nut the stud.
Ideal OEM hardware replacement
A practical upgrade when replacing old, seized or damaged factory exhaust manifold studs, particularly during manifold repairs, aftermarket header installation, turbo conversions or engine rebuilds.