Solid Pinion Spacer GM 10 Bolt 8.5in 4109
Part Number: RAT4109
Prop 65 Warning
Prop 65 Warning
cancer & reproductive harm
Price Match
Call for more info on price match
does not include 3rd party ads
Frequently bought together:
Description
Proper pinion bearing preload is critical for eliminating backlash and ensuring consistent power transfer to the wheels. This solid pinion spacer for GM 10-bolt differentials maintains exact shim clearance, preventing the gear chatter and premature wear that comes from sloppy assembly. Whether you're rebuilding a stock differential or dialing in a performance unit, getting this spec right separates a solid setup from a failed one.
- Steel construction
- 8.5 inch diameter
- GM 10-bolt fitment
- Includes shims
- Sold individually
- Bolt-on installation
Commercial Accounts
We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.
Easy 30-Day Returns
We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.
You May Also Like
'%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 50 50' to='360 50 50' repeatCount='indefinite' dur='1s'%3E%3C/animateTransform%3E%3C/path%3E%3C/svg%3E)
Related Products
Related Products
Pinion Seal GM 8.5in 10 Bolt 6108
RATECH
$6.89
A failing pinion seal is an invitation for differential fluid to leak onto your brakes and suspension, turning a minor maintenance job into catastrophic failure. This OEM-spec replacement seal...
RAT6108
GM 10 Bolt 8.5in Bearing Kit MOTR10RMK
MOTIVE GEAR
$123.99
A worn-out differential bearing kit compromises your rear end's durability and performance—especially under aggressive driving. The GM 10 Bolt 8.5in Bearing Kit MOTR10RMK gives you everything needed...
MOTR10RMK
Pinion Nut GM 10 Bolt 1501
RATECH
$3.99
A properly torqued pinion nut is critical to differential assembly—it controls bearing preload and prevents catastrophic gear slippage under load. This OEM-specification nut ensures your 10-bolt...
RAT1501
4.56 8.5in 10 Bolt GM 69-0167-1
RICHMOND
$356.99
If you're building a high-revving street or track machine, gear ratio selection directly impacts your acceleration, top-end performance, and drivability. This 4.56 ratio delivers aggressive low-end...
RIC69-0167-1
3.90 8.5in 10 Bolt GM 49-0034-1
RICHMOND
$356.99
A 3.90 gear ratio delivers the aggressive acceleration and throttle response you need for drag racing, road course competition, or street performance—without sacrificing highway cruising capability...
RIC49-0034-1
