When it comes to.

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

Webthis chevy gmc head is a new and improved casting;

Recommended for you

This head is completely rebuilt.

Larger intake valves and intake port volume.

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

Casting number 862 and 706.

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.

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

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

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.

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

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

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

The 862 heads use an extra thick casting,.

The stock 243 heads are not a big.

They feature smaller valves and ports.

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.

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

Smaller intake valves and intake port volume.

The stock 243 heads are not a big.

They feature smaller valves and ports.

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.

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

Smaller intake valves and intake port volume.

Smaller intake valves and intake port volume.

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