1 2

Engine Master Australia

Engine Master EMA-174003 GM LS Dual Valve Spring Upgrade Kit

Engine Master EMA-174003 GM LS Dual Valve Spring Upgrade Kit

EMA-174003
$474.30 AUD
$474.30 AUD
Sale Sold out
Tax included. Shipping calculated at checkout.

Improve your valve springs function with this GM LS dual valve spring upgrade kit.

They are higher rate valve springs for your LS engines. These kits include springs, retainers, seals, locators, and locks--everything you need for a complete upgrade!



All GM LS LS1, LS2, LS3, LS7, LSA, LS9, LQ4, LQ9, L92, L76, LY6

  • Number of Springs Per Valve: Dual
  • Valve Spring Style: Standard
  • Valve Stem Diameter (in): 0.314 in.
  • Valve Stem Diameter (mm): 8.00mm
  • Retainers Included: Yes
  • Retainer Material: Steel
  • Locks Included: Yes
  • Lock Style: 7 degree
  • Lock Groove Quantity: 1-groove beadlock-style
  • Lock Material: Steel
  • Outside Diameter of Outer Spring (in): 1.300 in.
  • Coil Bind Height (in): 1.150 in.
  • Damper Spring Included: No
  • Spring Rate (lbs/in): 400 lbs./in.
  • Inside Diameter of Inner Spring (in): 0.675 in.
  • Valve Springs Coated: No
  • Valve Stem Seals Included: Yes
  • Valve Guide Diameter (in): 0.500 in.
  • Quantity: Sold as a kit.
  • Notes: This is a higher rate valve spring kit for GM LS engines. It should be used with SME-143002. Coil bind at 1.150 in. Maximum recommended valve lift is 0.600 in. when installed at 1.800 in.

Manufacturer Part Number:

View full details

Why shop with Engine Master?

  • Quality Brands

    We only sell quality genuine products - with brand names you can trust, you know that you are getting the best products for your build complete with limited manufacturers warranty

  • Fast & Efficent

    We use a number of great couriers to get your parcel to you ASAP! In a rush? Give us a call and ask about an 'expedited order' or enquire on current ETAs!

  • Zero Regret - Hassle Free Returns

    We accept returns for up to 30 days, our returns are hassle free when following our return guidelines and policies and most items can even come back on our capped price Australia Post returns, making it a cost effective process to send your item back if it's not quite right.

  • Experienced Team

    Our team are all passionate about the Automotive Industry and involved with lots of avenues of Motorsports. We have mechanics, engine builders and die-hard enthusiasts here to answer your questions or give you expert advice for your ride - just give us a call!

1 4

Found a better deal elsewhere?

We try to keep our pricing competitive for all our customers - if you have found a better deal elsewhere, send us an email here and we will do our best to match offers.
(Ensure you include the part number and a link to the competitors price!)