Engines and Components› Pistons and Piston Rings

DSS Racing

4.030" Forged Piston Set, -3cc Flat Top

$799.95

SKU: 3170-4030

In Stock
In Stock
Ships by Aug 4
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The DSS Racing 3170-4030 is a forged piston set engineered for Small Block Ford 289-302 engines, enabling a Boss 347 stroker configuration. These pistons are crafted for compatibility with 351 Cleveland and Boss open & closed chamber cylinder heads, featuring a -3cc flat top design. The set includes pistons with a 4.030-inch bore size, a 0.927-inch pin diameter, and a 1.090-inch compression height.

MIA's Description

The DSS Racing 3170-4030 is a set of forged pistons designed for Small Block Ford 289-302 engines, specifically for a Boss 347 stroker build. These pistons feature a -3cc flat top design and are compatible with 351 Cleveland and Boss open and closed chamber cylinder heads. They have a 4.030-inch bore size, a 0.927-inch pin diameter, and a 1.090-inch compression height.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDSS Racing
Part Number3170-4030
CategoryEngines and Components

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy