See all Engine products
Product thumb
JE Pistons Acura K Series Piston - 86.50 mm Bore - 1.176 in. CH, 1.80 CC Set of 1
$299.99

JE Pistons Acura K Series Piston - 309412S

Looking to boost your Acura's performance? The JE Pistons Acura K Series Piston is just what you need. With a bore size of 86.50 mm and a compression height of 1.176 inches, this piston is engineered to fit perfectly in your Acura's J35A1/A2 engine. Designed with precision and performance in mind, it’s a great addition for anyone serious about racing or enhancing their vehicle’s capabilities.

Why Choose JE Pistons?

With over 75 years of experience in the industry, JE Pistons stands out as a leader in forged racing pistons. Each piston is forged and machined 100% in the USA, ensuring that you receive a product that meets the highest standards of quality and performance. Whether you're hitting the drift track or the drag strip, JE Pistons have proven themselves time and again in victory lane.

Features That Make a Difference

  • Forged from 2618 Aluminum: This material provides the high tensile strength necessary for demanding performance applications.
  • Optimized Design: Each piston is crafted specifically for its intended engine and application, ensuring durability and performance.
  • Proprietary Forged Side Relief (FSR): This design minimizes friction and power loss, while reducing weight with a shorter wrist pin.
  • Skirt Coating: Depending on the application, this coating reduces friction and wear, lowering operating noise.
  • Accumulator Groove: Helps to reduce pressure from combustion gases, improving ring seal and delivering consistent power.
  • Complete Kit: Comes with high-quality wrist pins, locks, and JE Pro Seal premium piston rings.
  • 100% Made in the USA: You can trust the quality and craftsmanship that goes into every piston.

Specifications

  • Piston Series: JE Pistons
  • Cylinder Head: J35A1/A2
  • Bore Diameter: 86.50 mm
  • Piston Head Type: Dome
  • Compression Height: 1.176 inches
  • Piston Volume: 1.80 CC
  • Piston Material: 2618
  • Piston Quantity: 1
  • Forging Type: FSR
  • Piston Average Weight: 327 grams
  • Ring Set Included: Yes
  • Top Compression Ring Thickness: 0.0400 inches
  • Second Compression Ring Thickness: 0.0480 inches
  • Oil Ring Thickness: 0.111 inches
  • Wrist Pin Outer Diameter: 0.866 inches
  • Wrist Pin Length: 2.250 inches
  • Wrist Pin Wall Thickness: 0.150 inches
  • Sold As: Set of 1

Customer Reviews

Customers who have installed the JE Pistons 309412S in their vehicles rave about the performance improvements they’ve experienced. Many note the enhanced throttle response and durability during high-stress conditions. Users appreciate the precision fit and quality of the components included in the kit, often stating that it’s a worthwhile investment for any serious enthusiast.

Upgrade your Acura's engine with the JE Pistons Acura K Series Piston and experience the difference in performance and reliability!

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

JE Pistons Banner

Who is JE Pistons?

JE Pistons is an aftermarket company that specializes in manufacturing high performance forged pistons for various automobiles. They have been in the automotive industry for more than 70 years and has consistently provided quality parts for their customers. Today, they are the go-to brand of many professional race teams, engine builders, and enthusiasts who prefer that have the need for speed.

Choice of Champions

JE Pistons is actively participating in motorsport racing. Engine builders from different racing disciplines have used their products. Some of these races include NASCAR Racing, NHRA, ALMS, AMA, and Supercross. This experience has allowed them to gather vital data that helps them create products that are superior compared to others.

Advanced Manufacturing Facility

It has maintained its status as the leading company in its field due to its continued research and development to find unique materials and develop new piston designs with advanced technology. They use state-of-the-art equipment such as CNC machines to produce precision cuts and allows them to achieve parts with very tight tolerances. JE Pistons also uses a Finite Element Analysis and a digital three-dimensional piston crown machining process that allows them to create products that are in the league of its own.

Purchase JE Pistons at Vivid Racing

If you are in search of quality pistons that would provide you with total performance, then JE Pistons is the right brand for you. Designed for enthusiasts who want to have the best, you can be sure that JE Pistons is a brand that you could trust. To know more about JE Pistons, visit Vivid Racing and check out their list of products that would fit your specific needs.

WB warrants that any Product manufactured by RWB will be free from defects in material and workmanship for 30 days following date of original purchase ("RWB Warranty"). The RWB Warranty extends to the End-User of such Product. The End-User is defined as the person purchasing the Products directly from RWB or an authorized dealer of RWB. RWB specifically disclaims all warranties on any Product not manufactured by RWB. No warranty is transferable by the End-User. As a condition to granting the RWB Warranty, Buyer covenants to use the Product with due care and consistently with the Product's specifications. Any failure of Buyer to adhere to this covenant voids the RWB Warranty. Such failure includes, without limitation, misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), accident, improper installation, modification (including but not limited to use of unauthorized parts or attachments), or adjustment or repair performed by anyone other than RWB.

THE WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER EXPRESS AND IMPLIED WARRANTIES (EXCEPT OF TITLE), ARISING FROM OPERATION OF LAW, OR ARISING FROM TRADE USAGE OR COURSE OF DEALING, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. RWB shall not be subject to any other obligations or liabilities whatsoever, with respect to the Products manufactured or furnished by it, or any undertakings, acts or omissions relating thereto.

If Buyer believes a Product is defective and therefore covered by the RWB Warranty, the Buyer shall initiate an RMA as set forth in Section 8 of this Contract. If RWB determines that such Product is covered under the RWB Warranty, then RWB, at its option may, (i) repair the Product, (ii) replace the Product, or (iii) refund the Price of the Product.

NOTWITHSTANDING ANYTHING TO THE CONTRARY IN THE CONTRACT, RWB SHALL NOT BE LIABLE FOR ANY OF THE FOLLOWING TYPES OF LOSS OR DAMAGE ARISING UNDER OR IN RELATION TO THE CONTRACT (WHETHER ARISING BY TORT (INCLUDING NEGLIGENCE), BREACH OF CONTRACT OR OTHERWISE AND WHETHER OR NOT SUCH LOSS OR DAMAGE IS FORESEEABLE, FORESEEN OR KNOWN): (I) ANY LOSS OF PROFITS, BUSINESS, CONTRACTS, ANTICIPATED SAVINGS, GOODWILL OR REVENUE, ANY WASTED EXPENDITURE, OR ANY LOSS OR CORRUPTION OF DATA (REGARDLESS OF WHETHER ANY OF THESE TYPES OF LOSS OR DAMAGE ARE DIRECT, INDIRECT OR CONSEQUENTIAL); OR (II) ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL LOSS OR DAMAGE OF ANY KIND HOWSOEVER ARISING, EVEN IF ANY OF THE LIMITED REMEDIES OF THIS CONTRACT FAIL TO FULFILL THEIR ESSENTIAL PURPOSE. IN NO EVENT SHALL RWB’S AGGREGATE LIABILITY ARISING OUT OF OR RELATED TO THE PRODUCTS, ANY ANCILLARY SERVICES PROVIDED BY RWB, OR THE CONTRACT, WHETHER ARISING OUT OF OR RELATED TO BREACH OF CONTRACT, TORT (INCLUDING NEGLIGENCE) OR OTHERWISE, EXCEED THE TOTAL OF THE AMOUNTS PAID TO RWB WITH RESPECT TO THE PRICE PAID FOR SUCH PRODUCT OR PRODUCTS GIVING RISE TO RWB’S LIABILITY.

Check out these other great products