MR. GASKET
Mr. Gasket Gaskets, Seals, and Performance Parts at JJ Motorsports
Mr. Gasket, founded in 1964 by Joe Hrudka in Cleveland, Ohio, began as a venture to produce innovative gaskets for high-performance engines. Using his own '57 Chevy as a test bed, Hrudka—along with his brother Tom—launched the company, drawing from their background as drag racers. Over the decades, Mr. Gasket has become a legendary brand in the automotive accessories market, known for quality products that enhance engine performance and reliability for hot rodders, racers, and enthusiasts worldwide.
At JJ Motorsports, we stock a variety of Mr. Gasket products designed for engine sealing and performance upgrades. For reliable gasket solutions, check out the Valve Cover Gaskets or the Head Gaskets. Enhance your build with items like the Oil Pan Gaskets or performance accessories such as the Timing Covers. Whether you're rebuilding an engine or fine-tuning for the track, Mr. Gasket provides trusted options compatible with various automotive applications. Explore our selection to find the ideal upgrades for your vehicle.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Mr. Gasket Top Dead Center (TDC) Whistle 8016MRG
MR. GASKET
$35.37Top Dead Center ToolHeads On14 / 18 mm Bolt StyleSteelNaturalMRG8016MRG- SKU:
- MRG8016MRG
- Availability:
- Ships Same Business Day
- Weight:
- 0.39 LBS
$35.37 -
Mr. Gasket Alignment Tool - GM LS Timing Cover w/Seal LSTC2
MR. GASKET
$58.15Front Cover Alignment ToolPlasticGraySealGM LS-SeriesEachMRGLSTC2- SKU:
- MRGLSTC2
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
$58.15 -
Mr. Gasket Alignment Tool - GM LS Timing Cover wo/Seal LSTC1
MR. GASKET
$64.55Front Cover Alignment ToolPlasticGrayGM LS-SeriesEachMRGLSTC1- SKU:
- MRGLSTC1
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$64.55 -
Mr. Gasket Alignment Tool - GM LS Rear Block Cover LSRC1
MR. GASKET
$77.55Rear Cover Alignment ToolPlasticGrayGM LS-SeriesEachMRGLSRC1- SKU:
- MRGLSRC1
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
$77.55 -
Mr. Gasket Header Bolt Set (12pk) GM LS1 8mm 918G
MR. GASKET
$9.80Header Bolt Kit8 mm x 1.25 Thread25 mm LongHex HeadSteelBlack OxideSet of 12MRG918G- SKU:
- MRG918G
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$9.80 -
Mr. Gasket Fuel Transfer Pump Battery Operated 8000MRG
MR. GASKET
$101.95Transfer PumpBattery PoweredJug Adapters / HoseKitMRG8000MRG- SKU:
- MRG8000MRG
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$101.95 -
Mr. Gasket Exhaust Header Gskt Set GM LS1-LS7 Round 7406G
MR. GASKET
$29.36Exhaust Manifold / Header Gasket1.920 in Round PortAluminumGM LS-SeriesPairMRG7406G- SKU:
- MRG7406G
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$29.36 -
Mr. Gasket Thermostat 180 Degree GM LS1 6368
MR. GASKET
$37.66Thermostat180 DegreeBrass / CopperGM LS-SeriesEachMRG6368- SKU:
- MRG6368
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$37.66 -
Mr. Gasket Oil Pan Bolt Set - GM LS Engines S/S 60850G
MR. GASKET
$34.96Oil Pan Bolt KitHex HeadSteelZinc OxideGM Gen V LT-Series / LS-SeriesKitMRG60850G- SKU:
- MRG60850G
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$34.96 -
Mr. Gasket Exhaust Gasket GM LS 2/LS3 5966
MR. GASKET
$51.19Exhaust Manifold / Header GasketUltra-Seal1.920 in Round PortSteel Core LaminateGM LS-SeriesPairMRG5966- SKU:
- MRG5966
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$51.19 -
Mr. Gasket GM LS1 Header Gaskets 5964
MR. GASKET
$47.28Exhaust Manifold / Header GasketUltra-Seal1.750 in Round PortSteel Core LaminateGM LS-SeriesPairMRG5964- SKU:
- MRG5964
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$47.28 -
Mr. Gasket SBC Valve Cover Gasket Set 585G
MR. GASKET
$34.72Valve Cover Gasket0.187 in ThickSteel Core Silicone RubberSmall Block ChevyPairMRG585G- SKU:
- MRG585G
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$34.72 -
Mr. Gasket Water Neck - Swivel Style GM LS 97-Up Black 2670BK
MR. GASKET
$51.19Water Neck60 Degree1-1/2 in ID HoseSwivelO-RingHardware IncludedAluminumBlack AnodizedGM LS-SeriesEachMRG2670BK- SKU:
- MRG2670BK
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$51.19 -
Mr. Gasket Water Neck GM LS Swivel Style 97-Up 2670
MR. GASKET
$64.65Water Neck60 Degree1-1/2 in ID HoseSwivelO-RingHardware IncludedAluminumChromeGM LS-SeriesMr. Gasket ThermostatEachMRG2670- SKU:
- MRG2670
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$64.65 -
Mr. Gasket 4 Deg Short (3/4in) Crank key 988G
MR. GASKET
$35.594 Deg Short (3/4in) Crank keyCrankshaft KeyWoodruff3/16 x 3/4 in4 Degree OffsetSteelCopper CoatedChevy V8 / GM and Ford Inline-6 / Pontiac V8 / Mopar Early HemiEachMRG988G- SKU:
- MRG988G
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 988G
$35.59 -
Mr. Gasket 2 Deg Short (3/4in) Crank Key 987G
MR. GASKET
$35.592 Deg Short (3/4in) Crank KeyCrankshaft KeyWoodruff3/16 x 3/4 in2 Degree OffsetSteelNaturalChevy V8 / GM Inline-6 / Ford Inline-6 / Pontiac V8 / Mopar Early HemiEachMRG987G- SKU:
- MRG987G
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 987G
$35.59 -
Mr. Gasket Short (3/4in) Crank Key 984G
MR. GASKET
$35.55Short (3/4in) Crank Key Crankshaft KeyWoodruff3/16 x 3/4 in0 Degree OffsetSteelNaturalChevy / MoparEachMRG984G- SKU:
- MRG984G
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 984G
$35.55 -
Mr. Gasket Long (1-3/8in) Crank Key 983G
MR. GASKET
$35.59Long (1-3/8in) Crank Key Crankshaft KeyWoodruff3/16 x 1-3/8 in0 Degree OffsetSteelBlackChevy / MoparEachMRG983G- SKU:
- MRG983G
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 983G
$35.59 -
Mr. Gasket Blk Deluxe Wire Loom Kit 9728
MR. GASKET
$7.70Blk Deluxe Wire Loom Kit Spark Plug Wire Loom7-8 mmPlasticBlackUniversalKitMRG9728- SKU:
- MRG9728
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- 9728
$7.70 -
Mr. Gasket Sb Chevy Intake Bolts 955G
MR. GASKET
$18.04Sb Chevy Intake Bolts Intake Manifold Bolt KitHex HeadSteelZinc OxideAMC V8 / Small Block Chevy / Mopar B / RB-Series / Small Block MoparKitMRG955G- SKU:
- MRG955G
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- MFG Part #:
- 955G
$18.04 -
Mr. Gasket SBC Cam Bolt Lock Plt Ki 948G
MR. GASKET
$21.32SBC Cam Bolt Lock Plt Ki Camshaft Locking PlateBolts IncludedSteelChevy V6 / V8KitMRG948G- SKU:
- MRG948G
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- 948G
$21.32 -
Mr. Gasket Harmonic Balancer Bolt 945G
MR. GASKET
$10.05Harmonic Balancer Bolt Harmonic Balancer Bolt7/16-20 in Thread2.250 in LongHex HeadWasher IncludedSteelCadmiumSmall Block ChevyEachMRG945G- SKU:
- MRG945G
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- 945G
$10.05 -
Mr. Gasket H.E.I. Adv Curve Kit 929G
MR. GASKET
$10.93H.E.I. Adv Curve Kit Mechanical AdvanceBushing / 3 Sets of SpringsDelco Point type DistributorsKitMRG929G- SKU:
- MRG929G
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- 929G
$10.93 -
Mr. Gasket Aluminum Rocker Nuts 923G
MR. GASKET
$101.95Aluminum Rocker Nuts Rocker Arm Nut3/8-24 in Thread0.540 in Shank DiameterSteelCadmiumAluminum RockersSet of 16MRG923G- SKU:
- MRG923G
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
- MFG Part #:
- 923G
$101.95 -
Mr. Gasket Rocker Arm Nuts 920G
MR. GASKET
$49.17Rocker Arm Nuts Rocker Arm Nut3/8-24 in Thread0.603 in Shank DiameterSteelCadmiumStamped Steel RockersSet of 16MRG920G- SKU:
- MRG920G
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- MFG Part #:
- 920G
$49.17 -
Mr. Gasket Header Bolts 16 Per Set 919G
MR. GASKET
$19.33Header Bolts 16 Per Set Header Bolt3/8-16 in Thread0.750 in LongHex HeadSteelBlack OxideBig Block Chevy / Small Block FordSet of 16MRG919G- SKU:
- MRG919G
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- 919G
$19.33 -
Mr. Gasket Header Bolts 917
MR. GASKET
$18.77Header Bolts Header Bolt3/8-16 in Thread1.000 in LongAllen HeadSteelBlack OxideAMC V8 / GM V8 / Mopar B / RB-SeriesSet of 12MRG917- SKU:
- MRG917
- Availability:
- Ships Same Business Day
- Weight:
- 0.56 LBS
- MFG Part #:
- 917
$18.77 -
Mr. Gasket Header Bolts 915
MR. GASKET
$9.15Header Bolts Header Bolt3/8-16 in Thread0.750 in LongHex HeadSteelBlack OxideAMC V8 / GM V8 / Mopar B / RB-SeriesSet of 12MRG915- SKU:
- MRG915
- Availability:
- Ships Same Business Day
- Weight:
- 0.49 LBS
- MFG Part #:
- 915
$9.15 -
Mr. Gasket Flywheel Bolts 912
MR. GASKET
$18.77Flywheel Bolts Flywheel Bolt Kit7/16-20 in Thread0.906 in LongHex HeadSteelBlack OxideGM / Ford V6 / V8Set of 6MRG912- SKU:
- MRG912
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 912
$18.77 -
Mr. Gasket Pressure Plate Bolts 911
MR. GASKET
$12.57Pressure Plate Bolts Pressure Plate Bolt Kit5/16-18 in ThreadHex HeadSteelBlack OxideFord Long Pressure PlateKitMRG911- SKU:
- MRG911
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MFG Part #:
- 911
$12.57 -
Mr. Gasket Pressure Plate Bolts 910
MR. GASKET
$12.63Pressure Plate Bolts Pressure Plate Bolt Kit3/8-16 in ThreadHex HeadSteelBlack OxideGM Borg-Beck DiaphragmKitMRG910- SKU:
- MRG910
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- MFG Part #:
- 910
$12.63 -
Mr. Gasket Head Bolt Washers 7/16in 87
MR. GASKET
$26.33Head Bolt Washers 7/16in Head Bolt Washer0.875 in OD7/16 in ID0.11 in ThickSteelBlack OxideHead BoltsSet of 34MRG87- SKU:
- MRG87
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 87
$26.33 -
Mr. Gasket Cam Bushing Kit Chevy - Even # Bushings 85
MR. GASKET
$27.48Cam Bushing Kit Chevy - Even # BushingsCamshaft Degree Bushing0 / 2 / 4 / 6 / 8 DegreeSteelChevy V8 / Mopar B / RB / 426 HemiKitMRG85- SKU:
- MRG85
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 85
$27.48 -
Mr. Gasket Differential Gasket GM 10 Bolt 8.5 84B
MR. GASKET
$21.32Differential Gasket GM 10 Bolt 8.5Differential Cover Gasket0.047 in ThickCompressed Fiber8.5 inGM 10-BoltEachMRG84B- SKU:
- MRG84B
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- 84B
$21.32 -
Mr. Gasket Differential Gasket Ford 9in 82
MR. GASKET
$25.60Differential Gasket Ford 9inDifferential Case Gasket0.047 in ThickCompressed FiberFord 9 inEachMRG82- SKU:
- MRG82
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- MFG Part #:
- 82
$25.60 -
Mr. Gasket Harmonic Balancer Bolt Ford 7847
MR. GASKET
$45.16Harmonic Balancer Bolt FordHarmonic Balancer Bolt5/8-18 in Thread2.000 in LongHex HeadWasher IncludedSteelBlack OxideFordEachMRG7847- SKU:
- MRG7847
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MFG Part #:
- 7847
$45.16 -
Mr. Gasket SBC Harmonic Balancer Bolt 7845
MR. GASKET
$32.23SBC Harmonic Balancer BoltHarmonic Balancer Bolt7/16-20 in Thread2.250 in LongHex HeadWasher IncludedSteelBlack OxideSmall Block ChevyEachMRG7845- SKU:
- MRG7845
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- 7845
$32.23 -
Mr. Gasket Base Gasket .250in 758
MR. GASKET
$22.72Base Gasket .250in Carburetor Base Plate Gasket4-Barrel4 HoleCompositeSquare BoreEachMRG758- SKU:
- MRG758
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
- MFG Part #:
- 758
$22.72 -
Mr. Gasket Alum SBC Exhaust Gasket Round Port 7402G
MR. GASKET
$49.95Alum SBC Exhaust Gasket Round PortExhaust Manifold / Header Gasket1.630 in Round PortMulti-Layered AluminumSmall Block ChevyPairMRG7402G- SKU:
- MRG7402G
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- 7402G
$49.95 -
Mr. Gasket Alum SBC Exhaust Gasket Square Port 7401G
MR. GASKET
$47.55Alum SBC Exhaust Gasket Square PortExhaust Manifold / Header Gasket1.450 x 1.480 in Square PortMulti-Layered AluminumSmall Block ChevyPairMRG7401G- SKU:
- MRG7401G
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- 7401G
$47.55
