CP pistons are compatible with oversized valves and high lift camshafts. CP Pistons represent the highest quality and is engineered for maximum power. Standard features include: Deep valve reliefs accommodate high lift camshafts; Larger valve reliefs for +1mm valve sizes; Custom skirt cam and barrel design; Accumulator grooves; High strength aluminum forgings; High performance rings; Fully CNC machined and balanced to +/- 1 gram; Wrist pins included at no additional cost; Double pin oilers force fed from oil ring groove; Pin lock grooves for easy lock removal; Pin fitting included.
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Disclaimer:
Product images are for description purposes only. Actual product may vary.
What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What is the recommended bore clearance for the SC7127 pistons?
For the SC7127 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. However, this can vary based on the specific application and thermal expansion considerations, so it's best to consult with your engine builder.
What compression ratio can I expect with the SC7127 pistons in a D16Z6 engine?
The SC7127 pistons provide a compression ratio of 10.5:1 when used in a D16Z6 engine with the standard configuration. Ensure that your cylinder head and gasket choice complement this setup for optimal performance.
Are the SC7127 pistons suitable for high boost applications?
Yes, the SC7127 pistons are designed to handle high boost levels, but reliability will depend on proper tuning, fuel quality, and overall engine assembly. Ensure that your engine is built to withstand the increased pressures associated with boosted applications.
What type of rings are included with the SC7127 pistons?
The SC7127 pistons come with high-performance CP rings, specifically designed for durability and optimal sealing. The ring thickness is 1.0 x 1.2 x 2.8mm, which is suitable for performance applications.
Do I need to modify my engine block to fit the SC7127 pistons?
Typically, the SC7127 pistons will fit standard D16Z6 applications without modification. However, it's advisable to check for any necessary clearancing, especially if using high lift camshafts or oversized valves.
