What are LSX heads?

What are LSX heads?

The LSX-L92 head features smaller combustion chambers that are compatible with smaller-bore LS1 and LS6 engines. The street heads accommodate valve springs with up to 1.37″ diameter bases, but can be machined for larger springs.

What number are LS7 heads?

The LS7 cylinder head is cast with identification number 8452 while the LS3, L92, and LS9 are 5364.

How many valves does a LSX have?

6-bolt per cylinder bolt pattern. LS7 style rectangle port design. Assembled with 2.200″ titanium intake and 1.610″ sodium-filled exhaust valves. 12 degree valve angle.

How do I identify Chevy Cylinder heads?

Chevy heads have often been identified by sight and most commonly by the different casting shapes on the ends of the cylinder heads. While these casting marks cannot tell specifics about the cylinder heads, they can help identify a performance head from a non-performance head.

What’s the difference between LS7 and LSX?

Both blocks are both based on the production LS7 engine, but their biggest difference are the material used for casting the block. The LS7. R is aluminum while the LSX is a cast iron.

How much horsepower can a LS7 handle?

You’re safe for up to 1,000 horsepower on the factory LS7 block, and a naturally-aspirated build is unlikely to challenge those limits. If you want to add some insurance on your way up to that limit, however, you’d do well to invest in forged pistons once you’ve crested 700 horsepower.

What heads are on LS6?

The 243 head came on the more powerful LS6 engine from 2001 to 2006, and was used in C5 Corvettes. Later engines like the truck-spec LQ9 and LQ4 used the exact same port design as the LS6’s 243 heads, but had 6 cc larger combustion chambers.

What are LS 243 heads?

Generation III cylinder head for V8 truck, van, SUV and perfomance applications often called an LS6 head. It has cathedral shaped intake ports and D shaped exhaust. The combustion chamber is slightly smaller and more efficient than the earlier heads used on LS1 engines.

What size are LS7 heads?

The LS7 is a Gen. 4, 7.0L, aluminum small block engine. It was available in GM’s high performance cars between 2006 and 2015. The LS7 is the largest displacement engine in the LS family….LS7 Applications.

LS7 Cylinder Head Specs
Casting Number 12578452
Material 356-T6 Aluminum
Combustion Chamber Volume 70cc, CNC-ported

How many bolts are in an LSX cylinder head?

Extending the performance range of the LSX platform are Chevrolet Performance’s six-bolt LSX cylinder heads. Many are capable of flowing more than 400 cfm, and their six-bolts-per-cylinder clamping design gives them excellent strength.

What is the difference between LS7 and lsx-ls7 cylinder heads?

On the production LS7 cylinder head, the deck thickness is merely 0.400”, whereas the LSx-LS7 cylinder heads, are 0.625” thick. This thicker deck height is shared between between all of Chevrolet’s LSx aftermarket cylinder heads. The LSx-LS7 heads also come with a 6 bolt attachment, versus the 4-bolt attachment of the production LS7 head.

What kind of heads do LSX make?

Your horsepower-building potential is nearly unlimited with LSX heads. These aluminum masterpieces of performance feature port and chamber designs based on popular and performance-proven production-style heads, such as the LS3/L92 and LS7 heads. They are easily identified by the engraved LSX logo on the ends.

What is the valve angle of an LS3 cylinder head?

Like the L92 heads, the LSx-LS3 heads have a 15 degree valve angle, and accommodate valve springs with a base diameter of up to 1.55″. And on top of that, Chevrolet is developing a CNC-machined LS3 cylinder head for small bore, 4-bolt engines (not the LSx block).