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Stainless Steel Valves, Pontiac 1968-71 up 400 & 455, 2.11", 1.77", 1.66", 5.090" Length

  • Image 1
  • Exhaust valve head top is cupped, not flat as shown in the picture. Intake top is flat as shown.
Price:
$159.50
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Product Description

PONTIAC w/ 5.090" Length

2.110"/1.770” STAINLESS STEEL VALVES- 16 valves

Used in many 1968- 1971 engines- *sets can be ordered w/ 1.660" exhaust, see details towards bottom of page.

We carry several different valve sizes for Pontiac engines.

These are common to 1968-71 engines w/ 2.110" intakes and 1.770" exhausts.

Valves are premium one piece forged 21-4N stainless steel which can be used in all high performance applications.

Note- Pontiac engines have many variations of valve head diameters and lengths. It is best to not assume sizes by year or model. Always measure the old valves head diameter and length before ordering.

 

      Specifications:

  • Intake: Head Diameter- 2.110”
  • Overall Length, Intake- 5.090"
  • Intake face angle 30 degree
  • Overall Length, Exhaust- 5.090”
  • Exhaust Head Diameter: 1.770” (also available in 1.660")
  • Exhaust face angle- 45 degree
  • 11/32” Stems
  • Both intake and exhaust are single groove
  • Premium 21-4N aka EV-8 Stainless Steel Material
  • Swirl Polished Underhead area
  • Undercut Stems
  • Hard Chrome Stems
  • Single Piece Construction
  • Hard Tips to reduce wear
  • Order is for sixteen valves at listed price, eight intake and eight exhaust.

 

*Although Martin Well does not offer this exhaust in 1.660" diameter, they can be custom resized to 1.660". There is a $40.00 labor charge for this option. To order the set with 1.660" exhausts, check the box right above the "add to cart" button at the top of the page.

Supply is limited.

 

 

Alex's Parts- The smart choice in valve train parts~

 


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