#91680913

LS Air Block Off Plate

Name: LS Air Block Off Plate
Brand: Speedway Motors
SKU: 91680913
Price: 21.99 USD
Availability: InStock
Rating: 5 (6 reviews)

6 Reviews

1 Question

For GM LS engines
All hardware, O-rings and gaskets included
Intended for use on non-pollution controlled, off-road vehicles only

$21.99

/each

In Stock

Quantity

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Product Summary

1.50" Centerline of Holes, .38" Material Thickness

For GM LS engines
All hardware, O-rings and gaskets included
Intended for use on non-pollution controlled, off-road vehicles only

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Key Specs

MFG. Part #	91680913
Brand	Speedway Motors

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855.313.9176

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Speedway Motors 91680913 Details

As featured on Classic Truck’s Week to Wicked. Watch the transformation here!

These air block-off plates are intended for use on non-pollution controlled, off-road vehicles only.

For GM LS engines
Hardware and Gasket are included
Measures 1-1/2" center-to-center on bolt holes

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA WARNING:

Can expose you to lead, a carcinogen and reproductive toxicant. See www.P65Warnings.ca.gov

CARB warning

Speedway Motors 91680913 Specifications

KEY SPECS
MFG. Part #	91680913
Brand	Speedway Motors

GENERAL
Centerline of Holes	1.50"
Material Thickness	.38"
Gasket(s) Included	Yes
Hardware Included	Yes
Material Type	Aluminum
Finish	Anodized
Sold in Quantity	Each
Notes	.38 INCH THICK, 1.50 HOLE CENTERS, .97 INCH WIDE,

Ratings & Reviews

6 Reviews

Overall Assessment

Customers have positively rated the AIR Block Off Plates for their precise fit and quality. Shoppers have found them perfect for blocking AIR ports on exhaust manifolds, especially because they come with exact hole spacing measurements. This feature enables an effortless match with EGR pipes and guarantees an optimal fit. The plates' aesthetic appeal is another selling point praised by users. They have also been confirmed to work well on particular car models like the 2004 Corvette and 02 Trans Am WS.6. Overall, this product is admired for quality and functionality, and is recommended as a go-to solution over other options in the market.

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6 reviews

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I would purchase this product again

5.0

5 months ago

JD6959

Hazel Green Alabama

Verified

Product worked great, fit perfect.

Would Recommend

Perfect fit for Temu headers

5.0

6 months ago

Scott

Spring Run, PA

Verified

Needed block offs for off-brand headers. These fit perfectly. Thanks to Speedway for listing the dimensions so I received exactly what I needed.

Would Recommend

YES

5.0

a year ago

ROAD WARRIOR

BRAINTREE MA

Verified

WORKED AS IT SHOULD

Would Recommend

AIR Block off plates

5.0

3 years ago

Hammbone

Saint Marys, GA

Verified

02 Trans Am WS.6. Spent a lot of time researching what I needed to block off the AIR ports on my exhaust manifolds. Thankfully these had the hole spacing measurements that I compared to the EGR pipes I took off my manifolds. Fit was perfect and they look great as well.

Would Recommend

Perfect fit and look great

5.0

4 years ago

FatmkidKeith

Alberta, Canada

Verified

I find Speedway parts to be great quality and fast shipping. Definitely my go to for online parts.

Would Recommend

Quality Product

5.0

10 years ago

56F100Hybrid

Blanchard, OK

Verified

Works on 2004 Corvette Exhaust Manifold

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

1 Question • 1 Answer

Sort Questions

Will this plate work on blocking air pump connection on Bbk headers on 05 silverado with a 4.8 liter engine?

by Donald

• 6 years ago

1 answer

View Answer

1 of 1 questions shown

Fitment

2004 Buick Rainier

GM LM4

2009-2014 Cadillac CTS

GM LSA

2002-2011 Cadillac Escalade

GM LM7
GM LQ9

2012 Cadillac Escalade

6.2 Chevy LS V8

2003-2006 Cadillac Escalade ESV

GM LM7
GM LQ9

2007-2012 Cadillac Escalade ESV

6.2 Chevy LS V8

2002-2006 Cadillac Escalade EXT

GM LM7
GM LQ9

2007-2012 Cadillac Escalade EXT

6.2 Chevy LS V8

2007-2011 Chevy Avalanche

GM L76
GM LC9
GM LMG
GM LY5

2012-2013 Chevy Avalanche

GM LY5

2002-2006 Chevy Avalanche 1500

GM LM7

2000-2002 Chevy C1500

4.8 Chevy LS V8
GM LM7
GM LQ4

2006-2009 Chevy Impala

GM LS4

2006-2007 Chevy Monte Carlo

GM LS4

1999 Chevy Silverado 1500

4.8 Chevy LS V8
GM LM7

2000-2011 Chevy Silverado 1500

4.8 Chevy LS V8
GM L20
GM LM7
GM LY2

2012-2014 Chevy Silverado 1500

4.8 Chevy LS V8
GM LM7

2007 Chevy Silverado 1500 Classic

GM LQ4

2001-2003 Chevy Silverado 1500 HD

GM LQ4

2005-2006 Chevy Silverado 1500 HD

GM LQ4

2007 Chevy Silverado 1500 HD

GM LQ9

2007 Chevy Silverado 1500 HD Classic

GM LQ4

2000-2004 Chevy Silverado 2500

GM LM7
GM LQ4

2005 Chevy Silverado 2500

GM LQ9

2001-2011 Chevy Silverado 2500 HD

GM LQ4

2007 Chevy Silverado 2500 HD Classic

GM LQ4

2001-2006 Chevy Silverado 3500

GM LQ4

2007 Chevy Silverado 3500 Classic

GM LQ4

2007-2011 Chevy Silverado 3500 HD

GM LQ4

2003-2004 Chevy SSR

GM LM4

2014 Chevy Suburban

GM LMG
GM LY5

2000-2001 Chevy Suburban 1500

GM LM7

2002-2006 Chevy Suburban 1500

GM L59
GM LM7

2007-2009 Chevy Suburban 1500

GM LC9
GM LMG
GM LY5

2010-2011 Chevy Suburban 1500

GM LC9
GM LMG

2012-2014 Chevy Suburban 1500

GM LMG
GM LY5

2000-2006 Chevy Suburban 2500

GM LQ4

2012-2013 Chevy Suburban 2500

GM LMG
GM LY5

2000-2006 Chevy Tahoe

4.8 Chevy LS V8
GM L59
GM LM7

2007 Chevy Tahoe

4.8 Chevy LS V8
GM LMG
GM LY5

2008 Chevy Tahoe

6.2 Chevy LS V8
GM LC9
GM LMG

2009-2011 Chevy Tahoe

GM LC9
GM LMG

2012-2014 Chevy Tahoe

GM LMG
GM LY5

2002-2005 Chevy Trailblazer

GM LH6

2002-2009 GMC Envoy

GM LM4

2002-2006 GMC Envoy XL

GM LM4

2004-2005 GMC Envoy XUV

GM LM4

2001-2005 GMC Savana 1500

4.8 Chevy LS V8
GM LM7
GM LQ4

2006 GMC Savana 1500

4.8 Chevy LS V8
GM L33
GM LM7
GM LQ4

2007-2014 GMC Savana 1500

4.8 Chevy LS V8
GM L33
GM LQ4

2001-2005 GMC Savana 2500

4.8 Chevy LS V8
GM LM7
GM LQ4

2006-2013 GMC Savana 2500

4.8 Chevy LS V8
GM L33
GM LQ4

2002-2005 GMC Savana 3500

4.8 Chevy LS V8
GM LM7
GM LQ4

2006-2013 GMC Savana 3500

4.8 Chevy LS V8
GM L33
GM LQ4

1999-2011 GMC Sierra 1500

GM L20
GM LC9
GM LMG

2007 GMC Sierra 1500 Classic

GM L33
GM L59
GM LM7

2001-2003 GMC Sierra 1500 HD

GM LQ4

2005-2006 GMC Sierra 1500 HD

GM LQ4

2007 GMC Sierra 1500 HD Classic

GM LQ4

1999-2001 GMC Sierra 2500

GM LM7
GM LQ4

2002-2004 GMC Sierra 2500

GM LQ4

2001-2011 GMC Sierra 2500 HD

GM LQ4

2007 GMC Sierra 2500 HD Classic

GM LQ4

2001-2006 GMC Sierra 3500

GM LQ4

2007 GMC Sierra 3500 Classic

GM LQ4

2001 GMC Sierra C3

GM LQ4

2000-2011 GMC Yukon

4.8 Chevy LS V8
GM L20
GM LM7
GM LY2

2012-2013 GMC Yukon

GM LC9
GM LMG

2000 GMC Yukon XL 1500

GM LM7

2001-2011 GMC Yukon XL 1500

GM L59
GM LM7
GM LQ4

2000-2011 GMC Yukon XL 2500

GM LQ4

2003-2007 Hummer H2

GM LQ4

2008-2009 Hummer H2

6.2 Chevy LS V8

2008-2009 Hummer H3

GM LH8

2009 Hummer H3T

GM LH8