SRP Performance Engine Parts Catalog
JE Pistons opened its doors for business in 1947 with one simple objective, to supply the racing community with the highest quality pistons and components available in the marketplace. Although times, people and equipment have changed, our objectives and goals have remained constant. Today, JE is the largest manufacturer of custom forged racing pistons in the world. Offering the shortest lead times in the industry and a 98% order fill rate, JE is the definitive source for all of your high performance needs.
The JE complex encompasses the most modern performance piston manufacturing equipment in the industry. JE's implementation of the most advanced CNC machining technologies available, with over 75 state of the art CNC machines in operation, emphasizes our commitment to deliver the highest quality pistons, pins, rings and components available today. Industry leading processes like Ultra Crown?, a digital three-dimensional piston crown machining process, and Ultra Groove?, a machining operation that provides unprecedented flatness of ring grooves (tolerances to within millionths of an inch), are some examples of that commitment.
Our fully staffed, climate controlled QC (Quality Control) department utilizes the latest equipment to ensure the highest quality pistons available anywhere. F.E.A. (Finite Element Analysis), which predicts the thermal and structural stresses a piston will experience before it goes into service, enables JE to test and race simulate our product before it ever sees a racetrack. Furthermore, the lessons we learn through our involvement in racing series like NASCAR, IndyCar, NHRA and many others, translate directly into the high quality, precision custom and shelf parts that we offer to you, our customer.
Notice: Due to the nature of performance applications, all JE Products are sold without any expressed warranty or any implied warranty of merchantability or fitness for a particular purpose. JE Pistons shall not, under any circumstances, be liable for any special, incidental or consequential damages, including, but not limited to, damages or loss of other property or equipment, loss of profits or revenue, cost of purchased or
replacement goods, or claims of customers of the purchaser which may arise and/or result from the sale, installation or use of these parts. JE Pistons reserves the right to make product improvements and changes without notice and without incurring liability with respect to similar products previously manufactured. All parts shipped F.O B. our location. All parts are not legal for sale on pollution controlled motor vehicles. All trademarks, names or logos are property of their respective companies. ?2016 by JE Pistons. ALL RIGHTS RESERVED!
Our investment in technology and equipment is an investment in our future
as well as our customers'. We preserve that investment by remaining
committed to the philosophy of our founders; JE Pistons will always provide
superior parts... developed through extensive research...employing the
latest high-tech manufacturing procedures and quality controls.
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CATALOG INDEX
JE Pistons Chevy LS Series..................................................................9 ? 15 Small Block.............................................................16 ? 30 Big Block................................................................31 ? 45
Ford Modular..................................................................47 ? 51 Small Block.............................................................52 ? 55 Ecoboost V6................................................................... 56 Big Block................................................................56 ? 58 Pinto/Mini........................................................................ 58
Mopar 400/440..................................................................60 ? 61 Small Block..................................................................... 61 HEMI.............................................................................. 62
TOP FUEL....................................................................... 62
BLOWN ALCOHOL........................................................ 63
Buick Grand National............................................................... 63
Approved Pistons NHRA Stock Eliminator.................................................. 64 NASCAR Canadian Tire Series..................................... 65
SRP Professional
Chevy LS Series..............................................68 ? 69, 79 Small Block Chevy................................................69 ? 75 GM602/604 Crate Engine.............................................. 75 Small Block Ford / Modular..................................76 ? 79
sRP Pistons
Chevy
Small Block.............................................................82 ? 89 Big Block................................................................90 ? 95
CHRYSLER / Mopar
340/360.......................................................................... 96 400/440.......................................................................... 96
Ford
Pinto............................................................................... 97 Small Block...........................................................97 ? 105 Big Block...............................................................105-106 390/428 "FE"................................................................ 106
Pontiac / Oldsmobile
400/455........................................................................ 107
JE SPORT COMPACT/EUROPEAN Acura / Honda ...............................................................109 ? 113 Audi.................................................................................114 ? 115 BMW................................................................................116 ? 117 Citreon / Dodge...............................................................117 ?118 Fiat............................................................................................ 118 Ford........................................................................................... 119 Hyundai.................................................................................... 120 Lamborghini............................................................................. 120 Lancia....................................................................................... 120 Mazda........................................................................................ 121 Mini Cooper..............................................................................121 Mitsubishi.......................................................................121 ? 122 Nissan.............................................................................122 ? 124 Opel........................................................................................... 125 Peugeot.................................................................................... 126 Porsche..........................................................................126 ? 127 Renault...........................................................................127 ? 128 Subaru............................................................................128 ? 129 Toyota.............................................................................130 ? 131 VW...................................................................................132 ? 134
SRP Sport Compact/European
Honda/Acura ................................................................136 ? 139 Audi/VW ..................................................................................139
JE PROSEAL RINGS.....................................................................140 ? 165
ACCESSORIES
Locks.............................................................................166 ? 167 Buttons.................................................................................... 167 JE Wrist Pins Diametric Chart....................................168 ? 174 JE Proseal Domestic Gaskets.....................................175 ? 177 JE Proseal Sport Compact Gaskets...........................178 ? 180 Apparel.................................................................................... 181
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JE Pistons
PISTON TERMINOLOGY
piston deck std oil drain
back holes split oil drain
back holes
side relief wrist pin hole/
pin dia. lock groove
pick lock groove (available for wire locks)
slipper THICKNESS valve pocket
compression height/distance
pin bore center
EXHAUST VALVE STOP
NTAKE VALVE STOP
Dome Height Top Land second land third land oil ring groove forced pin oiler (centered or split) single or double
skirt
bottom band tang valve pocket depth measured vertically from the deck to the deepest part of the valve relief radius
valve angle
gaUge point ( 500" STD, 275" when specified)
EXHAUST CENTERL NE
OUT
EXHAUST VALVE RELIEF
INTAKE VALVE RELIEF
INTAKE CENTERLINE
OUT
JE Pistons
4
JE Pistons
SHELF PISTON TERMINOLOGY
With over 300 individual forgings to choose from, JE is able to achieve specific piston design requirements while reducing overall weight.
radiused valve reliefs
smooth radiused dome and dish designs
precision cnc machined ring
grooves
2618 low-silicon material
JE Pistons
honed pin bores
Side Relief available fully machined with lower support
band or as forged.
machined oil drain back holes engineered for
specific oil control
diamond turned skirts
specifically designed left and right forgings allow precise valve relief locations further reducing weight while maintaining superior strength and uniform crown thickness
je forgings feature enlarged pin boss and ring belt radii to ensure
optimum strength in critical areas
SHELF PISTON TERMINOLOGY
FSR (Forged Side Relief) forging designs feature a reduced skirt width and shorter wrist pin when compared to traditional "full round" style forgings. The narrow skirt helps minimize piston contact with the cylinder wall that can cause friction and power loss while the shortened wrist pins reduces the overall weight. Some FSR forgings feature internal and external bracing to provide a more rigid construction while minimizing overall weight. With thousands of race miles logged in the most demanding applications like NASCAR, NHRA Pro Stock and Indy Car, these pistons provide the ultimate combination of low-friction, lightweight design with increased stability and strength.
Internal Bracing External Bracing
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