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Main Bearings
Non-Race Bearings are hard 2-layer bearings that are made for stock engines to run hundreds of thousands of miles on without needing to be replaced. They are great for longeivty in stock engines, but their hardness makes them less forgiving in race applications.Â
Race Bearings are softer 3-layer bearings that are designed to absorb the shock of race applications.
The Size of the bearing will depend on 2 things: 1.) if your crank was machined, or 2.) if your engine builder wants more or less oil clearance than a standard bearing will provide.Â
If you want to learn more about how bearing attributes influence bearing selection, check out the Bearing section of Jay's Bottom End Buyers Guide here...
- ACL Race H Main Bearings STD Nissan 240SX S13 S14 89-98 Altima 93-01 U13 L30 KA24DE KA24ESKU# 5M2747H-STD
$158.831 In StockSpecsSpecs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size STD (Standard) - ACL Race H Main Bearings STD Eclipse GST GSX 2G Evo 1-3 4G63T (7-Bolt DSM / Evo 1-3)SKU# 5M1186H-STD
$130.775 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size STD (Standard) -
$108.532 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size HX (Extra Oil Clearance) -
$165.682 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size 0.010in / 0.25mm -
$165.682 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size HX (Extra Oil Clearance) - ACL H Main Bearings 0.25mm Supra IS300 1JZ-GTE 1JZ-GTE VVTi 2JZ-GE 2JZ-GE VVTi 2JZ-GTE 2JZ-GTE VVTiSKU# 7M8103H-.25
$173.704 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size 0.010in / 0.25mm -
$134.676 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size 0.010in / 0.25mm - ACL HX Extra Oil Clearance Race Main Bearings Set Subaru WRX EJ205 EJ255 STi EJ257 Flange #5SKU# 5M8309HX
$134.675 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size HX (Extra Oil Clearance) - ACL Race Main Bearings STD 4AGE 4AGZE 4AFE Toyota MR2 CorollaSKU# 5M1695H-STD
$96.955 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size STD (Standard) -
Regular Price $52.65 Special Price $23.536 In StockSpecs
Specs Sale note Sale price is valid for the quantity in stock. Bearing Category Main Bearings Bearing Type Non-Race Bearing Bearing Size STD (Standard) - ACL Race H Main Bearing Set +0.025mm .002" Oversize Housing WRX EJ205 EJ255 STi EJ257 Flange #5SKU# 5M8309HOS2-.025
$181.811 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size 0.001in / 0.025mm Note For 002 oversize housings -
$165.682 In StockSpecs
Specs Bearing Category Main Bearings Bearing Type Race Bearing Bearing Size 0.010in / 0.25mm