Manley 11597-8 Engine Exhaust Valve For Big Block Chevy Pont S/D 2.325

  
Welcome to Wunder Car Parts. We have been in the aftermarket ecommerce industry for the past 16 years, and during that time we are proud to have helped thousands of satisfied customers find what they are looking for to achieve dominance on the track, complete their passion project, or just keep their daily driver on the road. Let us help you too! Manley 11597-8 Severe Duty Series Exhaust Valve - 1.9 Head Diameter For Chevy.

Manley 11597-8 Engine Exhaust Valve. Discover the pinnacle of performance and racing excellence with Manley's Severe Duty Valves.

Exhaust valves crafted from XH-428 material and Intake valves from NK-844 material these valves stand as a testament to our unwavering commitment to superiority in the industry. Severe Duty Valves outshine the competition in every aspect.

Proven Fatigue Tests: The Severe Duty Valves have undergone rigorous fatigue tests. In normal operation valves experience 20 000 to 25 000 lbs of applied stress. When valves bounce on the seat this stress soars to 40 000 to 60 000 lbs. Manley exhaust valves tested at 40 000 psi and 1400 deg. F impressively endured up to 100 000 000 (one hundred million) cycles.

In contrast competitors' offerings failed after just 100 000 cycles showcasing a staggering 1000 times better fatigue life. Designed for High Temperature Gasoline Engines: Engineered for superior performance in high-temperature gasoline engines. Chrome Stems and Hard Tips: Incorporating chrome stems and hard tips for enhanced durability and longevity. Optimized Combustion: Swirl polished under head areas and fully machined combustion faces for improved airflow and combustion efficiency.

XH-428 for Exhaust; No competitor worldwide offers the exceptional XH-428 as exhaust valve material. It boasts nearly double the ultimate tensile strength at 1500 deg. F compared to the competition's EV-8.

NK-844 for Intake: Our intake valve material NK-844 is equally unmatched displaying over four times the ultimate tensile strength of the competition's best intake valve material at 1000 deg. Category Hierarchy: Valves Stainless Steel Severe Duty Cylinder Head: Pontiac Pro Stock Engine: Big Block Engine - Web: Big Block Engine Detail - Web: Big Block Engine Family: Big Block Engine Type: ICE Engine Valve Quantity: 8 Head Diameter: 1.900 IN Industry: Automotive Make: Chevrolet Make - Web: Chevrolet Margin Width: 0.085 IN O/A Length: 6.450 IN Product Market: Domestic Product Type: Engine Exhaust Valve Kit Seat Width: 0.080 IN Stem Diameter: 0.3415 IN Tip Length: 0.290 IN Title: Manley Valve - Exhaust Valve-BBC PONT S/D 2.325 Title - Web: Manley Severe Duty Series Chevrolet Big Block Exhaust Valve Kit - 1.900 in.

O/A Length 0.3415 in. Stem Top of Head: 9 Degree Dish Underhead Angle: 15.00 DEG Underhead Radius: 1/2 IN Valve Head Diameter: 1.900 IN Valve Head Shape: 9 Degree Dish Valve Length: 6.450 IN Valve Material: Stainless Steel Valve Quantity: 8 Valve Series: Severe Duty Series Valve Stem Diameter: 0.3415 IN Valve Tip Length: 0.290 IN Valve Type: Exhaust Cylinder Head: Dart Big Chief. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer.

We have been in the aftermarket ecommerce industry for the past 18 years, and during that time we are proud to have helped thousands of satisfied customers find what they are looking for to achieve dominance on the track, complete their passion project, or just keep their daily driver on the road. Founded in 2006 by two good friends, WunderCarParts has grown into a tight-knit team of automotive enthusiasts, family, and friends dedicated to offering a great selection of aftermarket and performance parts at competitive prices. With that in mind, we have always strived to provide the most accurate listings, fastest processing times, and friendliest customer service to meet those goals. The result of these efforts? With WunderCarParts, we are proud to offer that same five-star service and fast turnaround times, with even greater savings passed on to you!

From there, our system will select the closest facility for the parts you ordered and dispatch them accordingly. Our expert customer service team is all US-based, and we have partnered with a leading automotive data supplier to ensure that product details and vehicle fitment is accurate and reliable. Whether it's hauling butt on the track, hauling toys up north on the weekend, or just hauling the kids to soccer practice, we are proud to use the products we sell on our own vehicles. We believe that having a set of wheels means having a sense of freedom, and we are committed to keeping those wheels turning and keeping that spirit alive. In closing, thanks again for visiting and we hope to work with you soon! Some States have specific regulations concerning aftermarket performance products. You will be contacted by WunderCarParts if this is the case. We are completely dedicated to your total satisfaction. Core charge may be applied to engine assemblies, crankshafts, cylinders.

Used, damaged, installed or altered items are non-returnable. Once this occurs we are unable to cancel the order. We would love to hear from you. If there is noticeable damage to the box, please inspect the part for damage as well. PRICES SUBJECT TO CHANGE WITHOUT NOTICE, IN THE EVENT OF A PRICE INCREASE WE WILL CONTACT YOU PRIOR TO PLACING YOUR ORDER.

Tap on More actions, then select Return the item. Select'No longer Needed' and enter a comment about why you're returning it. Manley 12337-8 Engine Exhaust Valve S/D 1.600 +100. Manley 11842-8 Engine Intake Valve S/D 2.300 +100.

Manley 11539-1 Engine Exhaust Valve S/D 1.600 +100. Manley 25847-8 Engine Pushrod 4130 3/8 8.475. This listing is currently undergoing maintenance, we apologise for any inconvenience caused.