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Engines and Components› Pistons and Piston Rings

ICON PISTONS

BBM Dome Piston Set 4.290 Bore +4.5cc

$975.02 $773.35 Save $201.67

SKU: I01U IC687.040

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The ICON PISTONS IC687.040 is a set of premium forged pistons designed for Mopar B-Series 383 Big Block engines, featuring a 4.290-inch bore and +4.50 cc dome volume.

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 IC687.040

Videos

ICON FORGED PISTONS, why you need them!!

ICON FORGED PISTONS, why you need them!!
Dyno 440 Engine Build Part 3: Full Engine Specs and Pistons Installed #mopar #bigblock #engine #dyno

Dyno 440 Engine Build Part 3: Full Engine Specs and Pistons Installed #mopar #bigblock #engine #dyno
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Chrysler B engine family aka wedge B 350, 361, 383, 400 RB 383, 413, 426W, 440

Chrysler B engine family aka wedge B 350, 361, 383, 400 RB 383, 413, 426W, 440

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.

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