GM/Chevrolet 5.3 325 Shortblock - 2005-2006 - Aluminum Block

Description

During this period GM/Chevrolet manufactured a few different models, including the L33 and the LH6

Chevy 325 - L33

The L33 was the final version of the Vortec 5300. It was an aluminum version of the LM7, with several tweaks that improved performance.

It included flat-topped pistons, Cathedral-style intake ports, and D-port exhaust ports.

Chevy 325 - LH6

The LH6 was the first of second generation 5.3 Vortect engine and serves as the replacement for the earlier LM4.

It included aluminum heads and block. It included the performance tweaks the L33 included.

LH6: 300–315 horsepower, 330–340 lb-ft of torque

Makes & Models

L33

• 2005–2007 Chevrolet Silverado 1500/GMC Sierra 1500

LH6

• 2005–2007 Buick Rainier
• 2005–2006 Chevrolet Trailblazer EXT
• 2005–2006 GMC Envoy Denali
• 2005–2006 GMC Envoy XL, XUV
• 2005–2006 Isuzu Ascender
• 2005–2006 Saab 9-7X 5.3i
• 2006 Chevrolet Trailblazer

2005-2006 Chevy 325s from MABBCO

• Short Block Chevy 325 - 2005-2006 - with AFM
• Short Block Chevy 325 - 2005-2006 - without AFM

Chevy 325 Camshafts, Cylinder Heads, and More

• GM/Chevy 325 - Camshaft - 1999-2006 - 24 Tooth
• GM/Chevy 325 Camshaft - 1999-2006 - 58 Tooth

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