Casting number 862 and 706.

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

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.

Recommended for you

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

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

They feature smaller valves and ports.

The 862 heads use an extra thick casting,.

Smaller intake valves and intake port volume.

The stock 243 heads are not a big.

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

Larger intake valves and intake port volume.

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.

This head is completely rebuilt.

Webthis chevy gmc head is a new and improved casting;

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

You may also like

Webย โ€” so in summary, 862 ls heads offer performance advantages of higher durability, better torque, and easier installation.

When it comes to.

This is oem replacement quality at a fraction of the.