Engine Internals

From pistons and connecting rods to camshafts, crankshafts, bearings, and gaskets, our engine internals selection has everything needed for a reliable bottom end and a high-revving top end. With forged and performance options alongside OE-style replacements, every component is built for precision and durability. Lay the foundation for serious power and keep your engine strong under pressure.

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ACL Mitsubishi 4G63/4G64 7 Bolt 2nd Gen DSM and EVO I-IX 0.025mm Oversized High Performance Rod Bear

Regular price $86.99
Sale price $86.99 Regular price
Unit price
Connecting Rod Bearing Set 4 - .025mm (0.001") undersize - Mitsubishi 4G63, 4G63T, 4G64 (1992-97...
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ACL Mitsubishi 4G63/4G64 6 Bolt 1st Gen DSM Standard Size High Performance w/ Extra Oil Clearance Ro

Regular price $85.99
Sale price $85.99 Regular price
Unit price
Connecting Rod Bearing Set 4 - Standard Size with extra .025mm (0.001") oil clearance (thinner)...
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ACL Mitsubishi 4G63/4G64 6 Bolt 1st Gen DSM Standard Size High Performance Rod Bearing Set

Regular price $85.99
Sale price $85.99 Regular price
Unit price
Connecting Rod Bearing Set 4 - Standard Size for Mitsubishi 4G30/31/32/33/35/36/37 1.2L,1.3L,1.4L,1.5L,1.6L,1.7L,1.8L, 4G61, 4G61T, 4G62,...
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ACL Mitsubishi 4G63/4G64 6 Bolt 1st Gen DSM 0.25mm Oversized High Performance Rod Bearing Set

Regular price $85.99
Sale price $85.99 Regular price
Unit price
Connecting Rod Bearing Set 4 - .25mm (0.010") undersize for Mitsubishi 4G30/31/32/33/35/36/37 1.2L,1.3L,1.4L,1.5L,1.6L,1.7L,1.8L, 4G61, 4G61T,...
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ACL Honda/Acura D16A1/6 / B17A1 /B18A1/B1/C1/C5 / K20A2/3 / K24A / H22A4 Standard Size Thrust Washer

Regular price $22.99
Sale price $22.99 Regular price
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ACL Honda/Acura D16A1/6 / B17A1 /B18A1/B1/C1/C5 / K20A2/3 / K24A / H22A4 Standard Size Thrust...
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ACL GTR Standard Sized High Performance Main Bearing Set (Version 4 Block)

Regular price $119.99
Sale price $119.99 Regular price
Unit price
ACL GTR Standard Sized High Performance Main Bearing Set (Version 4 Block)This Part Fits: Year...
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ACL GTR Standard Sized High Performance Main Bearing Set (Version 1 Block)

Regular price $119.99
Sale price $119.99 Regular price
Unit price
ACL GTR Standard Sized High Performance Main Bearing Set (Version 1 Block)This Part Fits: Year...
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ACL Nissan VR38DETT 3799cc V6 DOHC 4V Twin Turbo Standard Size High Performance Main Bearing Set

Regular price $119.99
Sale price $119.99 Regular price
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ACL Nissan VR38DETT 3799cc V6 DOHC 4V Twin Turbo Standard Size High Performance Main Bearing...
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ACL Audi TFSI 5 Cyl Standard Size High Performance Rod Bearing Set

Regular price $45.99
Sale price $45.99 Regular price
Unit price
ACL Audi TFSI 5 Cyl Standard Size High Performance Rod Bearing SetThis Part Fits: Year...
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ACL GTR Connecting Rod Bearings - One Pair of Bearings (Must Order 6 for Complete Set)

Regular price $139.99
Sale price $139.99 Regular price
Unit price
ACL GTR Connecting Rod Bearings - One Pair of Bearings (Must Order 6 for Complete...
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