20-13 Holley Sec.Diaphragm Spring Kit
20-13 Holley Sec.Diaphragm Spring Kit
Available in stock (30)
Couldn't load pickup availability
20-13 Holley Sec.Diaphragm Spring Kit
Unlock the true potential of your carburetor with the 20-13 Holley Sec.Diaphragm Spring Kit. Engineered for enthusiasts who demand peak performance, this kit is the perfect upgrade for your 4150 and 4160 vacuum-activated secondary carburetors.
Key Features:
- Compatibility: Specifically designed for 4150 and 4160 vacuum-activated secondary carburetors.
- Variety of Springs: Includes a set of 7 diaphragm springs, ranging from lightest to heavy load variations.
- Color-coded Identification: Easily distinguish between spring loads with our clear color-coding system: White, Yellow, Purple, Plain, Brown, and Black.
Benefits:
- Enhanced Performance: Optimize your carburetor's vacuum secondary system for improved throttle response and acceleration.
- Customization: Tailor the load to suit your specific performance needs, ensuring peak efficiency.
- Peace of Mind: Backed by a limited 90-day warranty for added assurance.
Use Cases:
Whether you're a weekend warrior or a seasoned racer, the 20-13 Holley Sec.Diaphragm Spring Kit is designed to meet your needs. Perfect for:
- Performance upgrades in classic cars.
- Tuning for competitive racing applications.
- Restoration projects requiring enhanced carburetor functionality.
Upgrade your carburetor's performance and reliability with the 20-13 Holley Sec.Diaphragm Spring Kit today!
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

