What throttle body it use for 04 ls 6.0??

We do not offer a drive by wire throttle body. But any LS throttle body should work. We have an adapter for the three bolt throttle bodies.

Is this Carb approved for use in Ca vehicles?

The manifold is 50-State Legal (CARB EO #D-279-9)

Would the stock fuel rails and throttle body from a 2005 5.3 fit this lsxrt intake?

Yes, you can use the stock rails. You will need fuel rail kit 146030-kit to make them work. Also, if you have the three bolt throttle body, you will need an adapter plate 146029-kit.

Will this fit on a lsx b8 6.2l?

If you have cathedral port cylinder heads, the intake should work. Otherwise, it will not. Also, if this is not for a truck application, it will likely not clear your hood.

Lsxrt 102mm Intake Manifold For Gm Ls 4 8 5

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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₩3821214

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Sold byAmazon South KoreaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Dominate the streets with precision airflow and race-ready power!

MODULAR RUNNER DESIGN - Easily remove and port individual runners for custom tuning and max performance.
TAILORED FIT FOR GM LS TRUCKS - Perfectly engineered for 4.8/5.3/6.0L cathedral port engines with zero clearance headaches.
BOOST YOUR REAR WHEEL HP BY 25 - Unlock serious power gains over stock with a Big Mouth 102mm throttle body.
PLUG AND PLAY OEM COMPATIBILITY - Maintains factory accessory fitment and fuel/emission connections—no compromises.
LIGHTWEIGHT HEAT RESISTANT POLYMER - Stronger, cooler intake charge means more consistent power under pressure.

The LSXrt 102mm Intake Manifold is a precision-engineered, modular intake designed for late-model GM 4.8/5.3/6.0L LS cathedral port truck engines and LS1/2/6 race applications. Featuring a 102mm inlet compatible with multiple throttle bodies, it delivers up to 25 peak horsepower gains while maintaining factory fitment and clearance. Constructed from advanced injection-molded polymer, it offers lightweight durability and superior heat resistance, making it the ultimate upgrade for enthusiasts seeking reliable, high-flow performance.

Specifications

ASIN	B00VS7J4NI
Best Sellers Rank	#2,201,184 in Automotive ( See Top 100 in Automotive ) #2,025 in Automotive Replacement Engine Intake Manifolds
Brand	FAST
Customer Reviews	3.5 3.5 out of 5 stars (25)
Date First Available	April 7, 2015
Exterior	Machined
Item Weight	21.8 pounds
Item model number	146602B
Manufacturer	COMP Cams
Manufacturer Part Number	146602B
Model	LSXrt 102mm Cathedral Port Intake Manifold for 4.8, 5.3 and 6.0L LS Trucks
OEM Part Number	N
Product Dimensions	24.9 x 16 x 13.4 inches

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