Engines and Components› Pistons and Piston Rings

RACE TEC PISTONS

GM LS FT Piston Set 4.070 Bore -4.1cc

$971.73

SKU: R0AE 1001164

In Stock
In Stock
Ships by Sep 16
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Overview

The Race Tec Pistons 1001164 is a set of forged pistons designed for LS 15° engine families. These pistons feature a flat top design with two valve reliefs and a 4.070-inch bore. They are manufactured from 2618 material forgings, making them suitable for extreme racing applications.
Show original supplier description

Part #: 1001164

Piston - AutoTec - Flat Top - Forged - 4.070 in Bore - 1.5 x 1.5 x 3.0 mm Ring Grooves - Minus 4.10 cc - GM LS-Series - Set of 8

Vehicle Symptoms
  • Engine knocking or pinging under load
  • Excessive oil consumption and blue smoke
  • Loss of compression in one or more cylinders
  • Rough idle and misfire at high RPM
  • Decreased power and poor throttle response
Relevant Conversations
  • LS forged piston upgrade 4.070 bore
  • race tec pistons 1001164 review
  • best pistons for LS 15° engine build
  • flat top pistons vs domed for LS
  • 4.070 bore piston set for LS stroker
  • LS piston ring gap 1.5mm 1.5mm 3.0mm
  • 2618 forged piston durability
  • CNC machined pistons for high boost
  • LS engine rebuild piston recommendation
  • piston land gas distribution groove benefits

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

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

BrandRACE TEC PISTONS
Part NumberR0AE 1001164
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

Buy with Confidence

Returns & Fitment

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

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy