Product Summary

  • High-performance EV8 stainless steel intake valves, sold as an 8-pack
  • 2.000 in. head diameter and 0.3138 in. stem diameter
  • 4.900 in. overall length with 0.170 in. tip-to-groove and single lock groove
  • Swirl-polished head improves airflow into the combustion chamber
  • Undercut stem reduces flow restriction for improved cylinder filling
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Key Specs

MFG. Part #73009-8
BrandEnginetech
Material TypeStainless Steel
Groove Count1
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Enginetech 73009-8 Details

Enginetech 73009-8 high performance stainless steel intake valves: 2.000 in. head, 0.3138 in. stem, 4.900 in. overall length, sold as an 8-pack.

High performance. .3138" stem. 2.000" head. 4.900" OAL. 0.170" Tip to top of groove. EV8 stainless. Undercut stem. Swirl polished. (8 pack).

Specifications:

  • Stem Diameter: 0.3138 in.
  • Lock Grooves: 1
  • Head Diameter: 2.000 in.
  • Standard Head Diameter: 2.000 in.
  • Overall Length: 4.900 in.
  • Nominal Stem Diameter: 8.00 in.
  • Stem: Chrome Stem

Engine Applications:

  • 5.3L / 325 OHV V8 16V Chev. LS Gen III/IV 96.00mm Bore 99-17 (GM)
  • 5.7L / 346 OHV V8 16V Chev. LS Gen III 99.00mm Bore 97-05 (GM)
  • 6.0L / 364 OHV V8 16V Chev. LS Gen III/IV 101.62mm Bore 99-17 (GM)

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Enginetech 73009-8 Specifications

KEY SPECS
MFG. Part #73009-8
BrandEnginetech
Material TypeStainless Steel
Groove Count1
GENERAL
Valve Head Diameter2.000"
Valve Stem Diameter0.3138"
Length4.900"
Valve Tip Length0.170"
Undercut StemYes
Swirl-PolishedYes

Questions & Answers

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