PFA Aston Martin 6 Cylinder Valve Spring Top Cap (Engine Set x12) DB4 DB5 DB6 DBS6 DB4GT
£179.26
In stock
In stock
Product Info
PFA Aston Martin 6 Cylinder Valve Spring Top Cap (Engine Set x12) DB4 DB5 DB6 DBS6 DB4GT
Aston Martin Billet Steel Valve Spring Top Cap Engine Set (Classic 6-Cylinder)
Upgrade the valvetrain reliability of your classic Aston Martin 6-cylinder engine with our high-precision Billet Steel Valve Spring Top Cap Set. Engineered as a direct replacement for all classic 6-cylinder powerplants—ranging from the early 3.7-litre units right up to the late 4.0-litre engines, including specialized high-performance variants—this component provides superior strength and modern durability over original factory parts.
Product Overview
Precision is paramount when maintaining high-performance vintage engines. We manufacture these caps from high-grade EN24T alloy steel and finish them with a Tuftride treatment afterward, providing exceptional surface hardness, wear resistance, and uncompromised structural integrity under extreme conditions.
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Vehicle Compatibility: Fits all classic Aston Martin 6-cylinder models (3.7L and 4.0L engines), including:
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Aston Martin DB4, DB4GT, and Zagato models
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Aston Martin DB5
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Aston Martin DB6 & DB6 Mk2
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Aston Martin DBS6
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Engine Requirement: 12 caps are required per engine.
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Quantity: This listing is for a complete engine set of 12 items.
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Quality: Premium EN24T billet steel construction, Tuftrided for maximum fatigue and wear resistance.
Technical Specifications
| Attribute | Detail |
| Part Type | Billet Steel Valve Spring Top Cap Set |
| Material & Treatment | EN24T Billet Steel, Tuftrided Finish |
| Manufacturing | CNC Machined for Precision |
| Original Part Number | 20-06-130 |
| Our Part Number | PFA-20-06-130-R-SET |
| Package Quantity | 12 (Complete Engine Set) |
Parts Book Reference Guide
You can easily cross-reference this component in your official Aston Martin parts catalogues:
| Model | Parts Catalogue Reference | Location |
| DB4 / DB4GT / Zagato | Plate B | Page 10, Item 70 |
| DB5 | Plate EH87 | Page 1-9, Item 26 |
| DB6 | Section 1 | Page 1-9, Item 26 |
| DBS6 | Edition 87c | Page 1-11, Item 28 |
Why Choose Our Billet Steel Valve Spring Top Caps?
Valvetrain components endure immense stress and cyclic loading in high-performance classic engines. Upgrading to our CNC-machined EN24T Tuftrided billet steel valve spring top caps offers unmatched strength, reduced friction, and superior fatigue resistance compared to aging factory components, giving you greater peace of mind during spirited driving, track days, or long-distance touring.
Need assistance with your valvetrain rebuild? We specialize in supplying authentic and precision-engineered performance components for classic Aston Martin models. If you need help verifying your engine specifications or calculating quantities for a full engine refresh, please contact our team for expert guidance.
Parts For Astons is an independent business dedicated to providing high-quality parts primarily for Aston Martin vehicles. Our expertise stems from years of passion and experience with Aston Martins from restoration and race preparation (and everything inbetween), ensuring every part we offer meets the exacting standards of these iconic vehicles.
We manufacture our own parts using our own designs which are developed in-house and rigorously tested before going to market. This enables us to manage our own quality control to ensure you receive a part which is 100% fit for purpose. If we do not have a part in stock, we can manufacture it quickly.
Closely associated with Goldsmith And Young, you can trust in our commitment to quality and personalised service for your restoration or performance needs. Should you have any questions, please do not hesitate to reach out and ask.
Additional information
| OEM | 20-06-130 |
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