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Supertech Performance PEIVN-28055F Black Nitrided Intake Valve Oversize - 0.05mm

Manufacturer

Picture for manufacturer Supertech Performance

Part Number

PEIVN-28055F
10 reviews
Sale Price

$23.40

Estimated ship date Friday, November 20

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Live-in-stock inventory

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Fitment guaranteed

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Product Details

The Supertech Performance PEIVN-28055F is a Black Nitrided stainless steel intake valve offered in a +0.05mm oversize head diameter, engineered for high-performance and race-oriented engine builds. Manufactured from EV8 (21-4N) stainless steel and finished with a Black Nitride treatment, this valve delivers the strength, heat resistance, and low-friction operation demanded by performance applications.

Key Features:

  • EV8 (21-4N) Stainless Steel Construction — One-piece forged design for superior strength and long-term reliability
  • Black Nitride Coating — Surface hardening treatment that produces a smoother finish than chrome, reducing friction between the valve stem and guide for extended service life
  • +0.05mm Oversize Head Diameter — Increased valve head area improves airflow and cylinder head efficiency; requires machining of valve seats for proper fitment
  • Specifications: Head Diameter 34.6mm | Stem Diameter 6.98mm | Overall Length 104.40mm
  • Sold individually (per valve) — order the exact quantity needed for your engine build

Supertech Performance brings decades of racing and manufacturing experience to every valve in their lineup. Rigorous testing and close collaboration with professional engine builders ensure continuous refinement, resulting in valves trusted for street performance and full-competition race engines alike. Note: oversized valves require seat machining or aftermarket valve seats and are not a direct drop-in replacement.

Products specifications

Head Dia

34.60mm (+0.5)

Length

106.40mm

Material

Black Nitrided

Stem Dia

6.98mm

Shipping is expensive

Great Price!!<br>Fast Shipping!!<br>Would definitely use again....

So far, so good - I think I found the product I wanted to order.

Great deals at unbeatable prices!

Product was as described, shipping was fast, and communication was excellent. Plus I saved $$. Thanks Autoplicity! I'll be a repeat buyer and referral source.

Found a Thule Vertex bike hitch on here for $50 cheaper than amazon. Extremely fast shipping. Definitely recommend purchasing from here.

Great prices, reasonable shipping costs. Shipped within 3 days of order. Didn't receive discount for valid coupon code (25OffShipping). No response to 2 emails. No indication of expected delivery date. Lots of unknowns but you can't beat the pricing.

This was my first order with Autoplicity. I was pleasantly surprised when my order showed up quickly and was exactly what I wanted. I will be buying from this company again. Thanks for the quick service and fair pricing.

SO HAPPY! I have to admit, I was hesitant because I had never heard of autoplicity and there wasn't item a picture up for the Thule T2 rack I bought, but wow am I happy. Autopliicity had it for $100 less than other sites and the shipper was Amazon prime fast!!! Definitely a happy customer!!!!

I ordered a Thule 9002 Raceway Bike Carrier on Sunday, April 8 and received the product by Fedex on Wednesday, April 11 with just regular shipping. That is fast service. And the price was $43 cheaper than any other site on the internet (including shipping). I haven't had a chance to use the bike carrier yet but it appears to be new and as advertised with no issues as of this writing. I would definitely recommend this retailer for your next purchase. Order Number: 9111

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