Engines and Components› Pistons and Piston Rings

United Engine & Machine Co

KB HYP PISTON KIT SBC 400

$681.56

SKU: U00B KB182KTD.060

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

Moderate — 2–4 hours

Description

Keith Black Hypereutectic pistons are a great choice for high performance marine, drag race, circle track, street or towing application builds. The low expansion 390 alloy with 16 percent silicon allows for a tighter piston to wall running clearance. Fully machined head and valve reliefs, Triple Spiral Lock Rings, CNC machined pin bores produce straight and accurately sized bores, Accumulator Groove aids with compression ring seal, Machined in Oil Returns, Diamond Finished Skirts, Mini Grooves to reduce scuffing and overheating, Wrist pins and spiral lock included. 1/16 x 1/16 x 3/16 rings not included.

Fitment

Fitment Guaranteed

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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

BrandUnited Engine & Machine Co
Part NumberU00B KB182KTD.060

Videos

#shorts Why You Should ALWAYS Use A Torque Plate On A 400 SBC

#shorts Why You Should ALWAYS Use A Torque Plate On A 400 SBC
Building a 377 vs 383 - From Ask Ed 24 - Ed Smith w #BarryT #enginebuilding

Building a 377 vs 383 - From Ask Ed 24 - Ed Smith w #BarryT #enginebuilding
Fool proof installing pistons on rods of a Small Block Chevy

Fool proof installing pistons on rods of a Small Block Chevy
SBC 283 Crankshaft + 400 Block Crate Engine Build Intro

SBC 283 Crankshaft + 400 Block Crate Engine Build Intro
SBC 400 Block + 327 Crankshaft Dyno The 350 Chevy Should Have Built (2016)

SBC 400 Block + 327 Crankshaft Dyno The 350 Chevy Should Have Built (2016)

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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