ATI 958025 crankshaft dowel pin 3/16 x 1/2 hardened steel for ATI Super Damper GM LS and Chevy SBC engines
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ATI Crankshaft Steel Dowel Pin - 3/16in. Diameter 1/2in. Long

ATI
APPATI958025
Crankshaft Dampers
1 Units In Stock - Ships Next Business Day
$ 3.07
$ 3.07

SKU: ATI958025

ATI Crankshaft Steel Dowel Pin for GM LS & Small Block Chevy Engines

The ATI is a precision-machined steel dowel pin designed to properly align and secure ATI Super Dampers on GM LS-series and traditional Small Block Chevy engines.

Measuring 3/16" in diameter by 1/2" long, this dowel pin ensures the damper hub is perfectly centered on the crankshaft, preventing slippage and maintaining proper balance at high RPM.

It is an essential component when installing an ATI Super Damper on LS1, LS6, 5.3L, 6.0L, and classic SBC engines. Manufactured from high-strength steel, this small but critical part helps protect your rotating assembly during street, strip, or track use.

Key Features

  • Precision Fit – Exact 3/16" x 1/2" dimensions for proper alignment of ATI Super Dampers
  • High-Strength Steel Construction – Resists shear forces and deformation under extreme engine loads
  • Prevents Damper Shift – Locks the damper hub in place to maintain balance and prevent power loss
  • Lightweight Design – Only 0.05 lbs to minimize added rotational mass
  • Direct Replacement – Matches OEM dowel specifications for GM LS and Small Block Chevy engines
  • USA Made – Precision machined by ATI Performance Products

Specifications

Detail Value
Brand ATI (Advanced Tuning Inc.)
Type Crankshaft Dowel Pin
Dimensions 3/16" Diameter x 1/2" Long
Material High-Strength Steel
Compatibility GM LS & Small Block Chevy Engines
Weight 0.05 lbs
Country of Origin United States
Warranty ATI Limited Warranty

Whats Included

  • ATI Crankshaft Steel Dowel Pin (ATI958025)

Product Notes

  • Designed for use with ATI Super Dampers on GM LS and Small Block Chevy engines
  • Inspect the crankshaft dowel hole for damage or debris before installation
  • Professional installation is strongly recommended

This Part Fits

Year Range Make Engine Notes
1997–2007 Chevrolet LS1, LS6, 5.3L, 6.0L With ATI Super Damper
1955–2000 Chevrolet Small Block V8 (262–400 cid) With ATI Super Damper
2008–2015 Scion / Toyota 2AZ-FE (select models) With compatible ATI damper

Why Choose ATI?

  • Industry leader in SFI-approved harmonic dampers since 1989
  • Precision-machined components built for high-performance and racing applications
  • Engineered to work seamlessly with ATI Super Dampers
  • Trusted by professional engine builders and racers worldwide

Frequently Asked Questions

  • Q: Will this dowel pin fit my LS1 engine with an ATI Super Damper?
  • A: Yes, the ATI958025 is the correct dowel pin for GM LS engines (including LS1 and LS6) when using a compatible ATI Super Damper.
  • Q: Is this a genuine ATI part?
  • A: Yes, this is an official ATI Performance Products dowel pin.
  • Q: Do I need any special tools to install it?
  • A: An arbor press is recommended for proper installation. A 3/8" socket can also be used carefully as a driver.
  • Q: Should I use thread locker on the damper bolts?
  • A: Yes, it is recommended to apply thread locker to the damper bolts during installation for added security.

Shipping & Handling

  • Method: USPS First Class or UPS Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Compact padded envelope (4" x 4" x 1")
  • Weight: 0.05 lbs
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