My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Supertech Performance HIVN-1023F Black Nitrided Intake Valve Oversize - 30.50mm 0.5mm

(2002-2009, 2012-2014 Honda Civic; 2003-2008 Honda Accord; 2002-2008, 2012-2014 Honda CR-V; 2003-2008 Honda Element; 2002-2006 Acura RSX + 2 more models)

Manufacturer

Picture for manufacturer Supertech Performance

Part Number

HIVN-1023F
7 reviews
Sale Price

$21.74

Estimated ship date Saturday, November 21

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Supertech Performance HIVN-1023F is a Black Nitrided Intake Valve engineered for high-performance and racing applications. Manufactured from Stainless Steel 21-4N (EV8) alloy, this valve is one-piece forged for maximum strength and long-term reliability under demanding engine conditions.

Key Specifications:

  • Valve Type: Intake
  • Head Diameter: 30.50mm (+0.5mm Oversize)
  • Stem Diameter: 5.48mm
  • Length: 105.40mm
  • Material: Stainless Steel 21-4N (EV8)
  • Surface Treatment: Black Nitride
  • Groove Type: Single Groove
  • Face Style: Flat

Key Features:

  • Black Nitride Treatment: Provides a harder, smoother surface finish than chrome-coated valves, reducing friction between the valve stem and guide at high RPM
  • One-Piece Forged Construction: CNC-finished to strict tolerances for superior strength and consistency compared to multi-piece designs
  • 21-4N Stainless Steel Alloy: High-temperature, high-nickel stainless alloy commonly used for both intake and exhaust applications in performance engines
  • +0.5mm Oversize Head: Ideal for engines with recut or refreshed valve seats requiring slightly enlarged valve head dimensions

Supertech Performance valves are sold individually (per valve). Order the exact quantity needed for your engine build — for example, an 8-valve engine requires a quantity of 8.

Products specifications

Fits

2002-2009, 2012-2014 Honda Civic; 2003-2008 Honda Accord; 2002-2008, 2012-2014 Honda CR-V; 2003-2008 Honda Element; 2002-2006 Acura RSX; 2004-2014 Acura TSX; 2013-2014 Acura ILX

Head Dia

37.00mm (+2.0)

Length

108.85mm

Material

Black Nitrided

Stem Dia

5.48mm

I bought an Exedy Organic Clutch at the best price I could find. Shipping was also prompt. Legit dealer, good business.

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

Great deals at unbeatable prices!

Low price I like that fast to order

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.

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.

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy