Sale

Engines and Components› Pistons and Piston Rings

ICON PISTONS

LS 5.3L FT Forged Piston Set 3.810 Bore

$644.72 $516.45 Save $128.27

SKU: I01U IC9987C.030

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The ICON PISTONS IC9987C.030 is an FT Forged Piston Set for LS 5.3L engines, featuring a 3.810 inch bore and 1.5 x 1.5 x 3.0 mm ring grooves. This set includes 8 pistons with a -2.90 cc compression ratio, designed for GM LS-Series applications.

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

BrandICON PISTONS
Part NumberI01U IC9987C.030

Videos

Installing Gen 4 pistons and rods in our 5.3 LS along with gaping the rings and Cam installation.

Installing Gen 4 pistons and rods in our 5.3 LS along with gaping the rings and Cam installation.
LSx How To Replace Pistons on Rod at Home DIY - 4.8 Flat Tops in a 5.3 - LS1

LSx How To Replace Pistons on Rod at Home DIY - 4.8 Flat Tops in a 5.3 - LS1
Completely Rebuilding This 5.3L LS Engine From Top To Bottom!

Completely Rebuilding This 5.3L LS Engine From Top To Bottom!
An OVERVIEW on the 4.8 and 5.3! | Let me explain why they’re overpowered!

An OVERVIEW on the 4.8 and 5.3! | Let me explain why they’re overpowered!

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