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212 Predator (Hemi) 212 Predator (Old Style) GX200 & 6.5 Chinese OHV
GX270, GX390, 420cc, & 460cc Tillotson
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45 lbs Dual Valve Springs 55 lbs Dual Valve Springs Stainless Steel Valve & Spring Package,  - 212 Hemi Predator and 224 Predator Single Springs w/27mm Intake
45 lbs Dual Valve Springs
Our Price: $15.99
55 lbs Dual Valve Springs
Our Price: $16.99
Spring, Valve, Dual, PAIR

Dual, 45 lb at .815", Large diameter spring, Alum Retainers required, Coil bind at .400. 8500 max RPM, Roller or Billet Rocker arms and CM Pushrods Required. Excellent durability
Fits all Honda GX120 to GX200s, 6.5 Chinese OHVs, and non-hemi Predators. Will not work with new style Predators unless springs pockets are cut and longer valves are used.
Note: Actual coil bind is dependent on several factors including valve length, retainer style, keeper style, and valve height. Figures given are for reference only. Seat pockets for dual springs can typically be cut an additional .050
Spring, Valve, Dual

Dual, 55 lb at .815", Large diameter spring, Alum Retainers required, Coil bind at .380. 9000 max RPM, Roller or Billet Rocker arms and CM Pushrods Required. Excellent durability
Fits all Honda GX120 to GX200s, 6.5 Chinese OHVs, and Old Style Predators. Will not work with new style Predators unless springs pockets are cut and longer valves are used.
Note: Actual coil bind is dependent on several factors including valve length, retainer style, keeper style, and valve height. Figures given are for reference only. Seat pockets for dual springs can typically be cut an additional .050
Studz Valve And Spring Kit Includes :
*224 Predator will come with High Groove Keepers
  • SS Lightweight 27mm Intake Valve
  • SS Lightweight 25mm Exhaust Valve
  • 26lb Springs
  • Aluminum Retainers
  • Split Keepers
  • Lash Caps
Note: Intake seat will need to be cut to install 28 Intake Valve
Picture for reference only, may vary with options
Stainless Steel Valve & Spring Package,  - 212 Hemi Predator, Dual Springs w/28mm Intake Valve & Spring Package, Stainless Steel - GX270 Valve & Spring Package, Stainless Steel - GX390
Studz Valve And Spring Pack Includes :
  • SS Lightweight 28mm Intake Valve +.200 longer than stock
  • SS Lightweight 25mm Exhaust Valve +.200 longer than stock
  • 60 lb Dual Springs
  • 7075 Aluminum Retainers
  • Split Keepers
  • Lash Caps

Note: Intake seat will need to be cut to install 28 Intake Valve
Picture for reference only, may vary with options
Studz Valve And Spring Pack Includes :
  • 32mm SS Lightweight Intake
  • 28mm SS Exhaust Valve,
  • Choice of Single or Dual Springs
  • Billet Aluminum Retainers
  • Split Keepers
  • Lash Caps
Use single springs for up to 6500 rpm & 306 TQ cam. Use Dual for 306 RM and larger cams
Dual Springs and/or Titanium retainers slightly higher. See shopping cart for price.
Note: 32mm Valves may actually measure between 31.5mm and 32mm depending on availability.
Studz Valve And Spring Package Includes:

  • 36mm SS Lightweight Intake
  • 32mm SS Exhaust Valve,
  • Choice of Single or Dual Springs
  • Choice of Aluminum or Titanium Retainers
  • Split Keepers
  • Lash Caps
Use single springs for up to 6500 rpm & 306 TQ cam. Use Dual for 306 RM and larger cams
Dual Springs and/or Titanium retainers slightly higher. See shopping cart for price.
Note: 32mm Valves may actually measure between 31.5mm and 32mm depending on availability.
Valve & Spring Package, Stainless Steel - GX420
Studz Valve And Spring Package Includes:

  • 38mm SS Lightweight Intake
  • 34mm SS Exhaust Valve,
  • Choice of Single or Dual Springs
  • Choice of Aluminum or Titanium Retainers
  • Split Keepers
  • Lash Caps
Use single springs for up to 6500 rpm & 306 TQ cam. Use Dual for 306 RM and larger cams
Dual Springs and/or Titanium retainers slightly higher. See shopping cart for price.