Webwe have a few options you can purchase such as a pair of stage 1, stage 2, stage 3, or stage 4 ls 706/862 cathedral casting 5 axis cnc porting with stainless valves and wp.

Featuring. 650 springs and 2. 00/1. 57 valves, our all.

I have a 99 5. 3 that's going in my 02 silverado that currently has a 4. 8 and the 5. 3 has 862 heads and i found a set of 799 heads on a 5. 3 in a savannah.

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This head is completely rebuilt.

The cylinder head is either sold complete with all new parts or bare ;

Larger intake valves and intake port volume.

They feature smaller valves and ports.

These heads come on gmc and chevrolet trucks and suv's.

This is oem replacement quality at a fraction of the.

Casting number 862 and 706.

Smaller intake valves and intake port volume.

Web — so in summary, 862 ls heads offer performance advantages of higher durability, better torque, and easier installation.

Weblooking to boost your chevy 5. 3l v8 engine's performance?

The 862 heads use an extra thick casting,.

When it comes to.

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The stock 243 heads are not a big.

Webpart 6 of the ls 5. 3l build will cover installation of the 862 aluminum heads, lifters, pushrods, and rocker arms.

Webthis chevy gmc head is a new and improved casting;