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Stainless Steel Valves, Pontiac 1968-70, 400 & 428, 2.11", 1.77", 5.090" Length

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Price:
$154.99
SKU:
401211 - 401177
Shipping:
Calculated at checkout


Product Description

PONTIAC w/ 5.090" Length

2.110"/1.770” STAINLESS STEEL VALVES- 16 valves

Used in select 1968- 1970 engines.

These stainless steel valves are common in many 1968-70 Pontiac 400, engines w/ 2.110" intakes and 1.770" exhausts.

Many engine builders like to use this length valve in later engines because they are longer and make it easier to acquire taller installed height springs.

Valves are single piece forged 21-2N stainless steel suitable for high performance street applications.

Note- Pontiac engines have many different valve head diameters and lengths. This size is mostly used in 4 barrel engines however- it's best not to assume sizes by year, model or carburetor type.

Always measure the old valves head diameter and length before ordering. Detailed sizes are listed below.

 

      Specifications:

  • Intake: Head Diameter- 2.110”
  • Intake Overall Length- 5.090"
  • Intake face angle 30 degree
  • Exhaust Overall Length- 5.085”
  • Exhaust Head Diameter: 1.770"
  • Exhaust Face Angle- 45 degree
  • .220" Tip Lengths
  • 11/32” Stems
  • Both intake and exhaust are single groove
  • 21-2N Stainless Steel Material
  • Swirl Polished Underhead area
  • Undercut Stems
  • Hard Chrome Stems
  • The top of both valves have a small cup for reduced weight
  • Single Piece Construction
  • Welded Hard Tips, all valves
  • Order is for sixteen valves at listed price, eight intakes and eight exhausts.

 

On occasion, we offer unique size Pontiac valves which are machined down from valves with larger head diameters. When we do, expect to pay around 25.00 a valve.

 

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

 


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