PFA Aston Martin DB4 3.7L Valve Spring Engine Set
£323.30
In stock
In stock
Product Info
PFA Aston Martin DB4 3.7L Valve Spring Engine Set
Aston Martin Revised Valve Spring Complete Engine Set (DB4 3.7L)
Restore optimal valvetrain control and performance in your classic Aston Martin DB4 with our complete Revised Valve Spring Engine Set. Specifically engineered to be compatible with original DB4 engines featuring non-counterbored valve spring seats, this comprehensive matched spring set ensures correct tension, balanced pressure, and modern reliability across your entire engine.
Product Overview
Maintaining proper spring pressure is vital for high-performance vintage engines. Our revised valve spring engine set provides everything required for a full rebuild, combining upgraded outer and inner springs to eliminate guesswork and ensure uniform performance across all cylinders.
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Vehicle Compatibility: Specifically engineered for Aston Martin DB4 models equipped with non-counterbored valve spring seats.
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Package Quantity: This listing is for a complete engine set, consisting of 12 outer springs and 12 inner springs (sufficient for a full 6-cylinder engine refresh).
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Quality: Manufactured to modern tolerances for improved fatigue resistance, consistency, and valvetrain stability.
Technical Specifications
| Attribute | Detail |
| Part Type | Revised Valve Spring Engine Set (Inner & Outer) |
| Application Note | For DB4 Non-Counterbored Spring Seats Only |
| Original Outer Part Number | 20-06-122 |
| Original Inner Part Number | 20-06-123 |
| Our Part Number | PFA-20-06-1223-R-SET |
| Package Quantity | Complete Engine Set (12 Outer & 12 Inner Springs) |
Parts Book Reference Guide
You can easily cross-reference these spring components in your official Aston Martin parts catalogue:
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Model: Aston Martin DB4
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Catalogue Reference: Plate B, Page 10
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Outer Spring: Item 68
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Inner Spring: Item 69
Why Choose Our Revised Valve Spring Engine Set?
Over time, factory valve springs lose their tension, leading to poor valvetrain control and reduced engine efficiency. Upgrading to a matched complete engine set provides the correct operating pressures required for the early DB4 3.7-litre engine, ensuring smooth revving and dependable performance whether on the road or the track.
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’s seat configuration or spring requirements, 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 | 20-06-122 |
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