CP Forged Pistons Wiseco Boostline Rods For EJ255 EJ257 100mm 8.2:1. This is a full set of pistons, rings, pins, locks, rods, and rod bolts. Note: This is a full set of pistons, rings, pins, locks, rods, and rod bolts.Introducing BoostLine Connecting Rods by Wiseco Performance Products! Our engineering team created this new, patent-pending 3-pocket design specifically for demanding turbocharged, supercharged and big nitrous applications. These connecting rods are ideal for today's high horsepower engines and provide 60% more bending strength compared to common H-beam rods! Each rod is designed, finished and inspected in the USA and includes an inspection report from our quality team. "The design of connecting rods hasn't evolved much over the years, " says Nick DiBlasi, Global Automotive Product Manager for Wiseco. The BoostLine connecting rods is a scratch design that takes the best attributes of an H- and I-beam rod and merges them into one. Even though the BoostLine rod is designed for heavy duty use, we were able to keep the rod relatively light without compromising strength. Designed specifically for high horsepower forced induction and nitrous applications. 60% increase in bending strength vs. Patent Pending high strength 3-pocket design. Machined from premium 4340 forged steel. High quality ARP Bolts included.
Inspected and finished in the USA (Mentor, Ohio). Balanced to + or 1 gram. Wrist pins provided at no cost. Pin fitting provided at no cost.
Pistons come with wrist pins, pin fitted, and locks. The Cam is the shape around the skirt of the piston and the barrel is the shape from under the oil ring to the bottom of the skirt.
Extensive research and development has been done to find the optimum skirt shape for each piston. These shapes have been found to seal up cylinders and reduce harmonics in the bore better than ever before. Depending on the forging and application, different cam and barrel profiles are utilized for maximum performance.Having the correect cam and barrel on a part promotes the following. ANTI DETONATION GROOVES (CONTACT REDUCTION GROOVES). Also know as contact reduction grooves, which limit the. Piston/cylinder contact during high temperature and high RPM.
These grooves also protect the top ring by disrupting detonation. V-shaped groove machined in the 2nd ring land that adds to the volume between the top and second ring. This groove accumulates residual gasses from combustion which alleviates top ring flutter and premature second ring wear, improving ring seal.
Double Pin Oilers (opposed to single pin oilers), in conjunction. With our annular reservoir, can add twice the amount of oil from. The cylinder wall to the wristpin bore. This is a standard option on. Any piston that receives forced pin oiling.
Broaches are horizontal slots in the pinbore designed to allow oil to enter between the wristpin and pinbore. Broaches are also used to accommodate the wristpin shape under compression, as it can become somewhat oval and needs room in order to alleviate galling. The pin bore is precision honed to attain an exact pin clearance. The application clearances typically range from.0003 to as much as. Between the wristpin and pin bore.
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