CP Pistons SC7405-4 Forged Piston & Ring Set for 2013-21 Subaru BRZ / Scion FRS

Vehicle Fitment

• 2013-2021 Subaru BRZ (FA20, FWD)
• 2013-2021 Scion FR-S (FA20, RWD)
• 2017-2021 Toyota 86 (FA20, RWD)

Fitment Notes

• Compatible with 2013-2021 Subaru BRZ, 2013-2021 Scion FR-S, and 2017-2021 Toyota 86 equipped with the FA20 engine.
• Not compatible with models featuring the 2.4L FA24 engine.
• Designed for naturally aspirated applications; not suitable for forced induction setups without further modifications.

Features

• Forged 2618 aluminum construction for enhanced strength and durability.
• 86mm bore size for precise fitment in FA20 engine blocks.
• 10.0:1 compression ratio optimized for naturally aspirated performance.
• Includes premium CPN ring set with gas nitrided steel top ring, taper hook groove second ring, and low tension oil ring.
• Utilizes 51 series wrist pins and Sure-Lox locks for secure pin retention.
• Balanced within +/- 1 gram for consistent performance.
• Accumulator groove design to reduce ring flutter and improve sealing.
• Suitable for high-performance applications requiring reliability and power.

Specifications

• Bore: 86mm
• Compression Ratio: 10.0:1
• Compression Height: 1.292 inches
• Pin Size: 22mm
• Material: Forged 2618 aluminum
• Includes: 4x pistons, 4x wrist pins, 4x Sure-Lox locks, 4x CPN ring sets

Included Components

• 1x CP Pistons SC7405-4 Forged Piston & Ring Set
• 4x 86mm pistons
• 4x 22mm wrist pins
• 4x Sure-Lox locks
• 4x CPN ring sets

Product Description

The CP Pistons SC7405-4 Forged Piston & Ring Set is engineered for the 2013-2021 Subaru BRZ, Scion FR-S, and 2017-2021 Toyota 86 equipped with the FA20 engine. This high-performance kit features 86mm forged 2618 aluminum pistons with a 10.0:1 compression ratio, ideal for naturally aspirated applications seeking enhanced power and reliability.

Each piston is meticulously crafted to ensure precise fitment and balanced performance. The included CPN ring set incorporates advanced materials and design to provide superior sealing and reduced friction, contributing to improved engine efficiency and longevity. The 51 series wrist pins and Sure-Lox locks ensure secure pin retention, even under high-stress conditions.

Designed with the enthusiast in mind, the SC7405-4 set offers a significant upgrade over stock components, delivering increased horsepower and torque across the power band. Whether you're building a street performance engine or a track-ready setup, this piston and ring set provides the durability and performance needed to meet your goals.