CP Pistons is one of the most trusted names in the industry, and for good reason. Their extensive shelf catalog provides the user with many of the options that you'd normally be resigned to going to a custom piston for.

This is CP's HD Version, they utilize heavier duty forging that we have personally been using for the past year, they come standard with.250" wall 9310 wrist pins and a PVD coated ring set.

All pistons come balanced within one gram, include pin lock grooves and wrist pins at no additional charge

CP Standard Shelf Pistons

Features

• Dedicated forgings
• Balanced to + or - 1 gram
• Wrist pins provided at no cost
• Pin fitting provided at no cost
• Accumulator Grooves
• Dual forced pin oilers
• Pick lock grooves
• Fully CNC machined
• USA Made
• Pistons come with wrist pins, pin fitted, and locks (except for Subaru).

CAM AND BARREL
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:

1. Tighter clearances
2. Less noise
3. Better ring seal
4. More power
5. Increased durability

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 waves.

ACCUMULATOR GROOVE

Additional Applications:

• Supra MKIV Twin-Turbo 93-98 JZA80
• Supra MKIV Non-Turbo 93-98 JZA80
• SC300/Soarer 92-00 Z30
• IS300 01-05 XE10
• GS300/Aristo 91-97 S140
• GS300/Aristo 98-05 S160