What did LS 853 heads come on?

853 was used on 99-00 LS1 engines. 241 was used on 01-04 LS1 engines.

What did 243 LS heads come on?

The 243 heads came on the LS6 engine produced from 2001 to 2006. It was typically found in the C5 Corvette, but it was eventually ported to the LQ4 and LQ9 to meet truck specs.

Are LS 799 heads good?

The 799 LS heads are some of the most popular heads used in LS engines. They offer excellent performance with increased horsepower making it a preferred choice for a porting job. These 799 heads are the latest model and are made using the semi-permanent mold method.

What LS motor has 862 heads?

The 862 heads are on the GM’s LM7 engines. The cylinder heads are designed with aluminum materials with a 61cc combustion chamber volume.

Whats better 706 or 862 heads?

The 706Vortec heads are even slightly superior to the commonly found 862 heads. The reason is that the 706 heads are SPM (semi-permanent mold) made, while the 862 heads are sand cast. The SPM method is considered to be a more consistent process, but once you port the 862 head, any difference to the 706 head goes away.

What engines came with 799 heads?

5.3L and 4.8L truck engines are LS engines designed with 799 heads. The cylinder heads perform amazingly on the truck engines. They are built with sophisticated architecture, including a cathedral-shaped port with smaller combustion chambers.

What heads came on LS1?

Debuting on the LS1, the cathedral port heads were named for the distinctive shape of the intake port.

What Motors came with 862 heads?

The 862 heads are on the GM’s LM7 engines. The cylinder heads are designed with aluminum materials with a 61cc combustion chamber volume. They also come with a cathedral-shaped intake port and an oval exhaust port.

What did 862 LS heads come on?

What are the best LS head casting numbers?

The Gen III LS Engine vs Gen IV LS Engine

CYLINDER HEAD CASTING NUMBERS
Casting # (last 3 digits)	Desc	Int./Ex. Valves
243 / 799 / 823	LS1 / LS6	2.000 / 1.550
706 / 862 / 895	LM4 / LM7 / LR4	1.890 / 1.550
853 / 806 / 933	LS1 (perimeter)	2.000 / 1.550