• Cylinder Head Washer
• BMW Coolant / Antifreeze - 1 gallon
• Copper Exhaust Lock Nut
• Oil Filter
• Cylinder Head Bolt Set
• Engine Oil Drain Plug Washer
• Dielectric Spark Plug Boot Protector
• BMW TwinPower Turbo 5W-30 Engine Oil
• Cylinder Head Gasket
• Assembly Lube - 4 oz
• Engine Oil Drain Plug
• M20 Cylinder Head - complete

Elevate Your Engine's Performance with Customizable CP Pistons

When it comes to optimizing your engine's performance, flexibility is key. That's why we offer a range of CP pistons with customizable compression ratios to cater to your specific needs. Whether you're embarking on a basic engine rebuild, planning to implement a low boost turbo or supercharger, or aiming to maximize power with high-performance camshafts, we have the ideal piston solution for you.

Our collaboration with CP ensures that you'll receive pistons of the highest quality, meticulously designed to meet the most demanding expectations. These pistons are a top choice for high-performance and racing engines.

We maintain a diverse selection of compression ratios in stock, making it convenient to find the right fit for your project. And if you require a custom piston application, our efficient service has you covered.

• BORE: 84mm
• Rod Length: 135mm
• Compression Ratio: 8.5:1

JE Pistons 13:1 Compression Piston Kit - BMW S14B32 Engine

Looking to push your BMW S14B32 engine to its peak performance? The JE Pistons 13:1 Compression Kit is engineered for high-revving, naturally aspirated engines, delivering the kind of power and precision that serious tuners demand. Built with JE Pistons' advanced forging technology, this kit ensures maximum strength without added weight—giving you both performance and reliability under extreme conditions.

Features:

• 13:1 Compression Ratio: This high-compression setup optimizes cylinder pressure, resulting in more power, better torque, and improved throttle response.
• Forged for Strength: Made from 2618 aluminum, these pistons are forged to provide superior strength and thermal efficiency, ideal for engines that operate at high RPMs or under significant load.
• Precision Engineered: Designed specifically for the BMW S14B32 engine, ensuring a seamless fit and optimized combustion chamber dynamics for a perfect blend of power and reliability.
• Reduced Friction: Low-friction skirt coating to reduce wear and maximize engine life, even under the harshest racing conditions.
• Complete Kit: Includes four pistons, premium rings, wrist pins, and locks for a full installation package.

E Pistons 8.5:1 Piston Kit - BMW S14B23 Engine (Set of 4)

Unleash the full potential of your BMW S14B23 engine with the JE Pistons 8.5:1 Compression Kit, engineered for maximum strength and reliability in forced induction builds. Perfect for turbocharged or supercharged applications, these pistons are designed to handle high boost levels, ensuring your engine can withstand extreme pressures while delivering smooth, consistent performance.

Key Benefits:

• Optimized Compression (8.5:1): Lower compression ratio designed specifically for turbo or supercharged setups, helping manage cylinder pressures for greater tuning flexibility and boost potential.
• Forged for Toughness: Crafted from 2618 aluminum alloy, these pistons are forged to withstand extreme stress and temperature, making them ideal for high-boost, high-revving engines.
• Thermal Efficiency & Durability: Enhanced heat dissipation design reduces the risk of detonation, allowing your engine to run cooler under heavy load.
• Friction-Reducing Skirt Coating: Helps to reduce wear, improving the longevity of both the pistons and the engine, even under intense driving conditions.
• Complete Installation Kit: Comes with four pistons, rings, wrist pins, and locks, providing everything you need for a smooth installation process.

Why Choose JE Pistons?

JE Pistons are a trusted name in motorsport for delivering unbeatable strength and performance. This 8.5:1 piston kit allows you to push your BMW S14B23 engine to new limits with confidence, whether it’s for track use, drag racing, or a high-performance street build.

Applications:

• Fits BMW S14B23 Engines (E30 M3, high-performance builds)
• Ideal for turbocharged or supercharged configurations.

Technical Specifications:

• Compression Ratio: 8.5:1 for optimal forced induction performance.
• Material: Forged 2618 aluminum alloy for unmatched strength.
• Bore Sizes: Customizable options for overbore requirements.

JE Pistons BMW S14B20 13.0:1 Compression Piston Kit - Set of 4

Unlock your BMW S14B20 engine’s true potential with the JE Pistons 13.0:1 High-Compression Piston Kit. Specifically engineered for naturally aspirated performance, these pistons are designed to deliver higher power output, sharper throttle response, and greater engine efficiency, making them perfect for track-focused builds or high-revving street machines. Built from high-strength, lightweight forged aluminum, these pistons offer the durability and precision needed to withstand the extreme demands of motorsport applications.

Key Benefits:

• 13.0:1 Compression Ratio: Elevate engine performance with a higher compression ratio that optimizes cylinder pressure for maximum power, torque, and acceleration in naturally aspirated setups.
• Forged for Strength and Lightness: Constructed from 2618 forged aluminum alloy, these pistons provide the ideal balance of strength and weight, ensuring maximum durability without sacrificing engine speed.
• Efficient Combustion Design: Piston crown engineered to enhance combustion chamber dynamics, promoting cleaner, more efficient fuel burn while preventing detonation at high RPMs.
• Low-Friction Skirt Coating: Coated piston skirts reduce friction during operation, extending the life of your pistons and improving overall engine performance.
• Complete Installation Package: Includes four forged pistons, rings, wrist pins, and locks—everything you need to take your S14B20 engine to the next level.

Performance & Precision:

With JE Pistons, you get race-proven reliability and cutting-edge engineering. The 13.0:1 compression ratio boosts performance without compromising on durability, ensuring your BMW S14B20 engine delivers consistent, high-level power in any driving situation.

Application:

• Fits BMW S14B20 Engines (perfect for high-performance street or track builds).
• Ideal for naturally aspirated setups focused on maximizing power and efficiency.

Technical Specs:

• Compression Ratio: 13.0:1, optimized for naturally aspirated engines.
• Material: Forged 2618 aluminum for superior strength and heat resistance.
• Bore Sizes: Custom bore sizes available, including overbore options.