What is the primary benefit of using forged pistons like these?

Forged pistons are made from a stronger aluminum alloy than cast pistons. This makes them much more resistant to cracking and deformation under high cylinder pressures and temperatures, which is essential for performance engines.

What does the '15DEG FT' designation mean for these pistons?

The '15DEG' indicates these pistons are intended for use with cylinder heads that have a 15-degree valve angle. 'FT' stands for flat-top, meaning the piston crown is flat, which is a common design for many LS1 builds and helps maintain a specific compression ratio.

Are these pistons compatible with all LS1 engines?

These pistons are specifically designed for LS1 engines that utilize 15-degree cylinder heads. While they fit a range of vehicles like the Corvette, Camaro, Firebird, GTO, and CTS, it's crucial to confirm your engine's cylinder head angle and overall configuration before purchasing.

1997-2004 Chevrolet Corvette LS1 Piston Set

Name: JE Pistons LS1 SBC 15DEG FT Set of 8 Pistons
Brand: JE Pistons
SKU: je-pistons-je-pistons-ls1-sbc-15deg-ft-set-of-8-pistons-t14-295560
Price: 950.07 USD
Availability: BackOrder

JE Pistons LS1 SBC 15DEG FT Set of 8 Pistons

$950.07

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1997-2004 Chevrolet Corvette. This is a set of 8 forged pistons for LS1 engines with 15-degree cylinder heads.

Key Features

Fits 1997-2004 Chevrolet Corvette, 1998-2002 Chevrolet Camaro, 1998-2002 Pontiac Firebird, 2004 Pontiac GTO, and 2004-2005 Cadillac CTS.
This is a set of 8 forged pistons.
Designed for LS1 engines with 15-degree cylinder heads.
Features a flat-top (FT) piston design.
Constructed from a high-strength aluminum alloy for durability.
Not CARB approved and cannot be shipped to California.

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Will this fit your vehicle?

Product Details

What you get in this box is a complete set of eight forged pistons from JE Pistons, designed specifically for LS1 engines that use 15-degree cylinder heads. These pistons are built for performance, offering a strong foundation for rebuilding or upgrading your engine. They are a key component for anyone looking to push their LS1 beyond stock specifications.

JE Pistons are well-known for their robust construction, and this set is no different. They are forged from high-strength aluminum alloy, which makes them significantly stronger and more durable than cast pistons. This strength is crucial for handling the increased cylinder pressures and temperatures that come with performance modifications. The 'FT' in the part number indicates a flat-top piston design, which is common for many LS1 applications and works well with the 15-degree valve angle cylinder heads. This specific design helps maintain a good compression ratio for street performance builds.

When you're building an engine, especially one that will see higher performance demands, the quality of the pistons matters a great deal. These JE Pistons are a solid option for those who want reliability and performance. Keep in mind that these pistons are not CARB approved, so they cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper fitment and assembly procedures.