LS Air Block Off Plate
LS Air Block Off Plate
Speedway Motors

|

#91680913

LS Air Block Off Plate

  • 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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$21.99

/each

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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
BrandSpeedway Motors
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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 Prop 65
CARB warning

Speedway Motors 91680913 Specifications

KEY SPECS
MFG. Part #91680913
BrandSpeedway Motors
GENERAL
Centerline of Holes1.50"
Material Thickness.38"
Gasket(s) IncludedYes
Hardware IncludedYes
Material TypeAluminum
FinishAnodized
Sold in QuantityEach
Notes.38 INCH THICK, 1.50 HOLE CENTERS, .97 INCH WIDE,

Ratings & Reviews

5

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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5

6 reviews

5

6

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I would purchase this product again

5.0

a month ago

JD6959

Hazel Green Alabama

Verified

Product worked great, fit perfect.

Would Recommend

Perfect fit for Temu headers

5.0

2 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

11 months 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

3 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

9 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

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

by Donald

• 5 years ago

1 answer

View Answer

1 of 1 questions shown

Fitment

  • GM LM4

  • GM LSA

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM L76

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LY5

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LS4

  • GM LS4

  • 4.8 Chevy LS V8

  • GM LM7

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM4

  • GM LMG

  • GM LY5

  • GM LM7

  • GM L59

  • GM LM7

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LQ4

  • GM LMG

  • GM LY5

  • 4.8 Chevy LS V8

  • GM L59

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LMG

  • GM LY5

  • 6.2 Chevy LS V8

  • GM LC9

  • GM LMG

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LH6

  • GM LM4

  • GM LM4

  • GM LM4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • GM L20

  • GM LC9

  • GM LMG

  • GM L33

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • GM LC9

  • GM LMG

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 6.2 Chevy LS V8

  • GM LH8

  • GM LH8

Customer Impersonation Script