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Thompson Motorsports

GM 5.3/5.7 Aluminum Gen IV - 346ci - 545hp - 58x - Ported 317 Heads

GM 5.3/5.7 Aluminum Gen IV - 346ci - 545hp - 58x - Ported 317 Heads

Regular price $9,410.53 USD
Regular price $10,011.20 USD Sale price $9,410.53 USD
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Inventory 11876

5.3 Gen IV Aluminum Block 346ci - 545hp Long Block

5.3 Gen IV Aluminum Block

5.7L 3.898" Floated Pin Flat Top Pistons

3.898 Bore

GM Reman 6.098  Connecting Rods .945 Pin

GM Nodular Reman Crankshaft 3.622"

58X Reluctor

King Main/Rod Bearings

Frankenstein Ported 317 Heads (Cathedral Port)

Cam Motion 226/232/112 + 4 Cam (Stall Converter Needed)

Melling HP Oil Pump

Trunion Upgraded TMS Rocker Kit

TMS LS7 Style Lifters

GM Front, Rear, and Valley Covers + Oil Pan

Stock Replacement Balancer

Water Pump

NGK Spark Plugs

Approximate Compression 9.8:1

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