Description
Product Overview
The MSD Pro Mag Distributor Cap Spacer is a precision‑engineered component designed to sit between the distributor cap and the rotor, optimizing spark delivery. Constructed from high‑grade aluminum, it combines lightweight characteristics with superior heat resistance, ensuring consistent performance under demanding engine conditions. Engineered to match OEM specifications, the part carries the manufacturer number 8120 and fits models requiring PN 8130/8140.
Usage
This spacer is ideal for gasoline engines equipped with fuel injection systems where timing accuracy is critical. Install it during routine maintenance, performance upgrades, or when replacing a worn distributor cap. Suitable for both street‑driven vehicles and race‑prepared machines, it serves professional mechanics and DIY enthusiasts alike.

Why Choose Us
Choosing the MSD Pro Mag Spacer means selecting a product backed by decades of automotive expertise. MSD’s rigorous quality control guarantees each unit meets exacting standards, delivering reliable spark timing and extended component life. Our parts are sourced directly from the manufacturer, ensuring authenticity and compatibility.
Key Features
- Precision‑machined aluminum construction for durability and heat dissipation
- Optimizes spark timing to improve engine efficiency
- Direct OEM fit for PN 8130/8140 applications
- Easy installation with no additional modifications required
- Backed by MSD’s reputation for high‑performance automotive parts
FAQ
What vehicles are compatible with this spacer?
The spacer fits any vehicle that uses the MSD distributor cap with part numbers 8130 or 8140, commonly found in many American and Japanese models.
Is any special tool required for installation?
No special tools are needed; the spacer bolts directly onto the existing distributor cap using standard hardware.
Can this part improve fuel economy?
By ensuring precise spark timing, the spacer can contribute to smoother combustion, which may lead to modest improvements in fuel efficiency.
What is the warranty on this product?
MSD offers a limited one‑year warranty covering manufacturing defects.
How does aluminum benefit this component?
Aluminum provides excellent heat resistance while keeping the part lightweight, reducing stress on the distributor assembly.




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