What is the compression ratio with these pistons?

These pistons have a -6cc dish volume. When used with compatible cylinder heads, they contribute to a 12.0 compression ratio.

What material are these pistons made from?

The pistons are constructed from 2618 aluminum. This material is chosen for its strength and ability to handle the high temperatures and pressures found in performance engine applications.

Are these pistons compatible with all LT1 engines?

These pistons are specifically designed for GM LT1/L86/LT4 cylinder heads and are intended for 415 cubic inch engine builds. It's important to verify compatibility with your specific engine configuration and other components.

Mahle GM LT1 Piston Set 4.065in Bore 930165365

Name: Mahle MS Piston Set GM LT1 415ci 4.065in Bore 4in Stk 6.125in Rod .927 Pin -6cc 12.0 CR Set of 8
Brand: Mahle
SKU: mahle-mahle-ms-piston-set-gm-lt1-415ci-4-065in-bore-4in-stk-6-125in-rod-927-pin--t14-28881
Price: 1024.61 USD
Availability: InStock

Mahle MS Piston Set GM LT1 415ci 4.065in Bore 4in Stk 6.125in Rod .927 Pin -6cc 12.0 CR Set of 8

$1024.61

Only 1 left in stock

Mahle MS Piston Set for GM LT1 415ci engines. Features a 4.065in bore and 12.0 CR for improved performance.

Key Features

Fits Chevrolet LT 415 cu in. engines.
Mahle MS Piston Set for GM LT1/L86/LT4 cylinder heads.
Features a 4.065-inch bore and 4.000-inch stroke compatibility.
Designed for 6.125-inch connecting rods and a .927-inch wrist pin.
Pistons have a -6cc dish volume for a 12.0 compression ratio.
Constructed from 2618 aluminum for strength and heat resistance.

This piston set is designed for Chevrolet LT 415 cubic inch engines. Always confirm compatibility with your specific engine build and cylinder heads.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042

Product Details

If you're rebuilding the engine in your Chevrolet LT with a 415 cubic inch displacement, this Mahle MS Piston Set is a solid option. These pistons are designed for GM LT1/L86/LT4 cylinder heads and are built to handle the demands of a performance engine build. Mahle is a well-known name in engine components, and this set is crafted from 2618 aluminum, a material chosen for its strength and ability to withstand high temperatures and pressures common in performance applications.

This set features a 4.065-inch bore and is designed to work with a 4.000-inch stroke and a 6.125-inch connecting rod, with a .927-inch wrist pin. The pistons have a -6cc dish volume, which contributes to a 12.0 compression ratio when paired with compatible heads. Each piston weighs in at 439 grams, a balanced weight that contributes to overall engine smoothness and reliability. This set includes eight pistons, enough for a complete V8 engine.

Please note that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.