1. Home
  2. Engines
  3. Tillotson Engines
  4. Tillotson 212E Engine
  5. Tillotson 212E Heads & Valve Train
  6. Tillotson 212E OEM Head & Components
  7. EC 22lbs Valves Springs for Honda GX200/Clone/Predator
EC 22lbs Valves Springs for Honda GX200/Clone/Predator
DCS-SBP 22lbs GX200 Clone Valve Springs
Write a Review

EC 22lbs Valves Springs for Honda GX200/Clone/Predator

Part Number: 273
Online Price: $8.99
EC 22lb Performance Valve Springs for Honda GX200 / Predator / Clone
Availability: In Stock.

Send to:

*We'll ask for shipping info at checkout

Description

EC 22lb Valve Springs – Honda GX200 / Clone / Predator Engines


These springs were initially used in the builder's prepared clone class but have since been used in many recreational and mildly modified hot rod engines or as a "cheater" or "mod stock" spring. These springs are the stiffest valve springs recommended when using slip-on stock retainers. 


These high-performance springs are a popular upgrade for racers seeking increased RPM range and improved valve stability, especially when using stock-size valvesautomotive-style split keepers, and lightweight valvetrain components.


Key Features:

  • Engineered for race-prepped small block engines
  • Handles up to 22 lbs of seat pressure at .815” installed height
  • Compatible with camshafts up to ~0.265” lift (net valve lift < 0.285”)
  • Excellent for stock valves (24mm–27mm) and stock rockers
  • Ideal spring for Mod 2, CL1, and other stock to mid-lift cams
  • Works in most cylinder heads with minimal modification


Valve Spring Specifications:

  • Uninstalled Height: 1.210
  • Installed Height Options:
    • 0.840” – Seat Pressure: 21 lbs – Max Lift: 0.335”
    • 0.815” – Seat Pressure: 22 lbs – Max Lift: 0.295”
  • Open Pressure (@ .505 lift): 43 lbs
  • Coil Bind Height: 0.465”
  • Outside Diameter: 0.820”
  • Inside Diameter: 0.643”
  • Wire Diameter: 0.082”

Note: Always verify installed heightretainer fitment, and clearance in your cylinder head before use. Larger springs may require spring pocket machining in certain heads.


Fitment Compatibility:

Fits most 5mm and 5.5mm stem valve applications in:

  • Honda GX160 / GX200
  • Clone 196cc Engines
  • Predator 212 Hemi & Non-Hemi
  • Predator 224
  • Tillotson 196R / 212R / 225RS / 236 / 268
  • Ducar 196 / 212 / 224
  • Wildcat 223 / 240

Need billet retainers? We offer aluminum retainers for both 5mm and 5.5mm valve stems.


Important Tech Note:

RPM capability depends on valvetrain weightrocker arm material, and camshaft profile. While stock rockers and valves allow higher RPM, heavier components (e.g., billet steel rockers or larger valves) may cause earlier valve float, even within the same spring rating.


If you’re using a high-ratio rocker arm or aggressive cam, always calculate your net lift:

Net Lift = (Cam Lift × Rocker Ratio) - Valve Lash

Exceeding recommended net lift or RPM range without sufficient spring pressure can result in valve float or engine damage.

FAQ

Q1: What camshaft lift is compatible with these springs?

A: These springs are rated for use with camshafts up to approximately 0.265" cam lift, with net valve lift under 0.285". Exceeding this may result in valve float or coil bind.


Q2: Are these valve springs legal for stock or "cheater" kart classes?

A: Yes. These are commonly used in builder's prepared clone, mod stock, and cheater classes. Always check your series or track rules before use.


Q3: Can I run these springs with stock rockers and retainers?

A: Yes. These are the stiffest springs recommended for use with stock slip-on retainers and stock stamped steel rocker arms.


Q4: Will these work with Predator 212 and 224 engines?

A: Yes. They are compatible with Predator 212 Hemi and Non-Hemi, as well as Predator 224 Non-Hemi engines—just confirm valve stem diameter and spring clearance.


Q5: Do I need billet retainers for these springs?

A: Not required but recommended for high-RPM builds. EC offers aluminum retainers for both 5mm and 5.5mm valves to ensure proper fit and longevity.


Q6: How do I calculate net valve lift?

Use the formula:

Net Lift = (Cam Lift × Rocker Ratio) – Valve Lash

This helps determine total valve motion and whether your springs can handle the lift without coil bind or float.


Q7: How do I know if these springs will fit my cylinder head?

A: Always verify the installed height, outside diameter clearance, and retainer fitment. Some heads may need spring pocket machining for proper seating.

Related Items

Recently Viewed Items

Logo