Piston Rings - Pro Seal - 4.070 in Bore - File Fit - 1.2 x 1.5 x 3.0 mm Thick - Low Tension - Nitride - 8 Cylinder - Kit
Brand
Brand
Our History
The origins of what we know today as JE Pistons can be traced back to 1912 and the Los Angeles foundry of William Jahns Sr. and his company W.H. Jahns. Employing the tagline, “Nothing but Pistons,” the W.H. Jahns company produced pistons and semi-finished pistons until 1948, when Jahns Sr. retired. Meanwhile, Jahns’ son, William “Uncle Bill” Jahns Jr., started and had been working on his company Jahns’ Racing Pistons since 1947. Shortly after, the business became Jahns’ Engineering Pistons and was finally shortened to JE Pistons.
Through the following years, JE Pistons’ technology evolved, from mastering casting technology in the 60s to researching and implementing forging technology in the 70s. Numerical Controlled (NC) machines were introduced to manufacturing in the early 80s, which was quickly improved to the use of Computer Numerical Controlled (CNC) machines and a proprietary piston design and machining program in the mid-80s.
JE Pistons has continued to evolve their manufacturing processes, currently offering racing pistons either off the shelf or fully custom. JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE’s 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.
Fitment
Fitment
Warranty
Warranty
Limited Warranty and Limitation of Liability. RWB 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 or product (express or implied) not manufactured by RWB, as well as any Product or product sold by any third party that is not an authorized dealer of 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 RWB 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, NON-INFRINGEMENT 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 original buyer shall initiate an RMA as set forth in Section 13 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.
Reviews
Reviews
Our History
The origins of what we know today as JE Pistons can be traced back to 1912 and the Los Angeles foundry of William Jahns Sr. and his company W.H. Jahns. Employing the tagline, “Nothing but Pistons,” the W.H. Jahns company produced pistons and semi-finished pistons until 1948, when Jahns Sr. retired. Meanwhile, Jahns’ son, William “Uncle Bill” Jahns Jr., started and had been working on his company Jahns’ Racing Pistons since 1947. Shortly after, the business became Jahns’ Engineering Pistons and was finally shortened to JE Pistons.
Through the following years, JE Pistons’ technology evolved, from mastering casting technology in the 60s to researching and implementing forging technology in the 70s. Numerical Controlled (NC) machines were introduced to manufacturing in the early 80s, which was quickly improved to the use of Computer Numerical Controlled (CNC) machines and a proprietary piston design and machining program in the mid-80s.
JE Pistons has continued to evolve their manufacturing processes, currently offering racing pistons either off the shelf or fully custom. JE pistons are all designed, forged, and machined in-house, allowing control over every step of the piston-making process. JE’s 7+ decades of experience in high-level racing has led to offering premium racing features, including full billet construction, EN plating, and purpose-designed coatings, to name a few.
Limited Warranty and Limitation of Liability. RWB 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 or product (express or implied) not manufactured by RWB, as well as any Product or product sold by any third party that is not an authorized dealer of 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 RWB 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, NON-INFRINGEMENT 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 original buyer shall initiate an RMA as set forth in Section 13 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.
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