What is the bore size of this piston?

This Wiseco piston features an 83.5mm bore size. This is a common custom size for the Toyota 7MGTE engine, often used during engine rebuilds to achieve a specific displacement and performance target.

What is the compression ratio with this piston?

These pistons are designed to achieve a 10.0:1 compression ratio when installed in a Toyota 7MGTE engine. This ratio is a popular choice for performance builds, offering a good balance between power output and the ability to run on pump gasoline with proper tuning.

Can these pistons be shipped to California?

No, these Wiseco pistons are not CARB approved and cannot be shipped to California. This is a regulatory restriction that applies to certain engine components in that state.

Wiseco 7MGTE Piston Set 83.5mm Bore -9.5cc Dish 10.0:1 CR

Name: Wiseco Toyota 7MGTE 83.5mm Bore -9.5cc Dish 10.0:1 CR - Single
Brand: Wiseco
SKU: wiseco-wiseco-toyota-7mgte-83-5mm-bore-9-5cc-dish-10-0-1-cr-single-t14-479805
Price: 269.88 USD
Availability: BackOrder

Wiseco Toyota 7MGTE 83.5mm Bore -9.5cc Dish 10.0:1 CR - Single

$269.88

On Backorder

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

Wiseco 7MGTE custom piston set, 83.5mm bore, 10.0:1 CR. Not CARB approved.

Key Features

This is a single piston from Wiseco for the Toyota 7MGTE engine.
Features an 83.5mm bore size.
Includes a -9.5cc dish volume.
Designed for a 10.0:1 compression ratio.
Not CARB approved; cannot ship to California.

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Product Details

If you're rebuilding the engine in your Toyota 7MGTE and looking to improve performance, a set of custom pistons like these from Wiseco is a solid choice. These pistons are designed to replace your stock ones, allowing for a specific bore size and compression ratio that can make a notable difference in how your engine runs. They're built with a dish volume of -9.5cc and a compression ratio of 10.0:1, which is a popular setup for many performance-oriented builds that aim for a balance of power and reliability.

Wiseco is known for making well-built internal engine components, and these pistons are no exception. They're crafted from durable materials to withstand the rigors of an engine under load. The 83.5mm bore size is a common upgrade that can increase displacement slightly, contributing to more power. It's important to note that these pistons are not CARB approved and cannot be shipped to California. Always consult with your engine builder or a qualified mechanic to ensure these pistons are the right fit for your specific build goals and supporting modifications.