Engine Midplates
Secure your horsepower and improve chassis rigidity with Quarter-Max drag racing engine midplates. We manufacture lightweight, high-strength aluminum midplates for Pro Mod, Top Sportsman, and bracket racing applications. Shop direct-fit and double frame rail midplates for Big Block Chevy (BBC), Small Block Chevy (SBC), Small Block Ford (SBF), and more. Built to handle extreme torque and keep your drivetrain perfectly aligned.
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Midplate Chevy/Olds 1/4" Thick, Aluminum
Quarter-Max
$193.99Midplate Chevy (Old Style) 1/4", AluminumSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Chevy/DRCE• Size: 20-1/2" x 21-3/8"QM-213203$193.99 -
QM Big Block Chevy Pro Mod Double Frame Rail Midplate, 14-1/2" Center Hole
Quarter-Max
$249.99Big Block Chevy Pro Mod double frame rail midplate Specifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Center hole size: 14-1/2"QM-213220-4$249.99 -
QM TFX Pro Mod Double Frame Rail Midplate, 14-1/2" Center Hole
Quarter-Max
$275.61TFX Pro Mod double frame rail midplate Specifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Center hole size: 14-1/2"QM-213226-2$275.61 -
QM Big Block Chrysler B1 Wedge Midplate, 14-1/2" Center Hole
Quarter-Max
$204.74Big block chrysler B1 wedge midplate Specifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"• Center hole size: 14-1/2"QM-213222-1$204.74 -
QM Chrysler Hemi TFX Blocksaver
Quarter-Max
$116.54Chrysler Hemi TFX Blocksaver. Not to be used as a midplate; this product is meant to be used as a shield to protect the block if you have a large opening in the midplate. Specifications:• Material:...QM-213128$116.54 -
QM Big Block Chevy Pro Mod Double Frame Rail Lightened Midplate for Automatic
Quarter-Max
$399.99Big Block Chevy Pro Mod Double Frame Rail Lightened Midplate for AutomaticSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• BBC• Pro Mod Double Frame Rail• AutomaticQM-213220-3$399.99 -
QM Big Block Chevy Midplate, 14-1/2" Center Hole
Quarter-Max
$215.24Big Block Chevy MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"• Center hole size: 14-1/2"QM-213109-3$215.24 -
QM Chevy/Olds Blocksaver
Quarter-Max
$146.99Chevy/Olds Blocksaver. Not to be used as a midplate; this product is meant to be used as a shield to protect the block if you have a large opening in the midplate. Specifications:• Material: 6061-T6...QM-213202$146.99 -
QM .375" ID x .625" OD x 1.3125" Width Bushing, Midmount, 4130
Quarter-Max
$7.34Weld this bushing into the chassis to mount your midplate/midmount.Specifications:• I.D.: .375"• O.D.: .625"• Width: 1.3125"• Material: 4130QM-420462$7.34 -
QM Chevy LS Universal Midplate
Quarter-Max
$227.84Our Universal LS Midplate is designed fit LS engines. It has the GM LS bolt pattern and will fit the Quick Time bellhousing.Specifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x...QM-213233$227.84 -
QM Chevy LS Side Mount Midplate
Quarter-Max
$138.59Chevy LS Side Mount MidplateThis midplate is designed to mount the back of the GM LS engine to your chassis. It is designed to be bolted to the chassis by both sides of the midplate. It has the GM LS...QM-213231$138.59 -
QM Chevy LS Midplate
Quarter-Max
$138.59Chevy LS Midplate.This midplate is designed to fit LS engines. It is designed to be bolted to the chassis at the top and bottom. The bolt holes in the bottom will fit the Quick Time bellhousing...QM-213230$138.59 -
QM Big Block Chevy Pro Mod Double Frame Rail Lightweight Midplate
Quarter-Max
$399.99Big Block Chevy Pro Mod Double Frame Rail Lightweight MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• BBC• Pro Mod Double Frame Rail• Ultra lightweight midplate weighs 2.25lbs...QM-213220-1$399.99 -
QM GM Midplate, Clutch
Quarter-Max
$239.39GM MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• ClutchQM-213206-1$239.39 -
QM Big Block Chevy Midplate, 7" Center Hole
Quarter-Max
$179.99Big Block Chevy MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"• Center hole size: 7"QM-213109$179.99 -
QM Dodge Hemi Midplate
Quarter-Max
$225.74Dodge Hemi MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Frame rail: 20.375"• NHRA Pro StockQM-213207$225.74 -
QM Midplate Installation Kit
Quarter-Max
$55.64This easy to install kit gives you the perfect mounting points for your midplate and eases motor placement.QM-213106$55.64 -
QM .375" ID x 1" ID x 1.250" OD x 1.375" W Bushing, Midplate, 4130
Quarter-Max
$24.14Weld this bushing into the chassis to mount your midplate.Specifications: • Bottom I.D.: .375"• Top I.D.: 1"• O.D.: 1.250"• Width: 1.375"• Material: 4130QM-420509$24.14 -
QM GM Short Midplate
Quarter-Max
$225.74GM Short Midplate Specifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Frame Rail: 20.375"QM-213204$225.74 -
QM GM Midplate, Automatic
Quarter-Max
$227.84GM MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Frame Rail: 19.25"• AutomaticQM-213206$227.84 -
On Sale
QM Ford Hemi Pro Stock 500 Double Frame Rail Midplate
Quarter-Max
Now: $136.49Was: $227.84Ford Hemi Pro Stock 500 Double Frame Rail MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"QM-213218Now: $136.49Was: $227.84 -
QM Big Block Chevy Pro Mod Double Frame Rail Midplate
Quarter-Max
$199.99Big Block Chevy Pro Mod Double Frame Rail MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• BBC• Pro Mod Double Frame RailQM-213220$199.99 -
QM Dodge Hemi Double Frame Rail Midplate
Quarter-Max
$227.84Dodge Hemi Double Frame Rail MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"QM-213207-1$227.84 -
QM 3/8-16 Threaded Hardened Insert Midplate Clinch Nut
Quarter-Max
$8.39These nuts are made to be pressed into those hard to reach areas at the bottom of the midplate or blocksaver. This allows for easy bolting of the bellhousing.Sold individually.QM-213200$8.39 -
QM Chrysler Hemi TFX Midplate, 3/8" Thick
Quarter-Max
$382.19Chrysler Hemi TFX MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 3/8"• Size: 24" x 24"QM-213214-1$382.19 -
QM Chrysler Hemi TFX Midplate, 1/4" Thick
Quarter-Max
$203.69Chrysler Hemi TFX MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"QM-213214$203.69 -
QM Chrysler Hemi TFX Lightweight Midplate, 1/4" Thick
Quarter-Max
$429.44Chrysler Hemi TFX Lightweight MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"QM-213214-2$429.44 -
QM Chevy/DRCE Double Frame Rail Midplate
Quarter-Max
$227.84Chevy/DRCE Double Frame Rail MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Chevy/DRCEQM-213203-1$227.84 -
QM Big Block Ford Boss 429/460 Midplate
Quarter-Max
$225.74Big Block Ford Boss 429/460 MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"• 7/16" holesQM-213216$225.74 -
QM Big Block Chevy Midplate, Automatic
Quarter-Max
$227.84Big Block Chevy MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• BBC• AutomaticQM-213212$227.84 -
QM Big Block Chevy Pro Mod Double Frame Rail Lightened Midplate
Quarter-Max
$399.99Big Block Chevy Pro Mod Double Frame Rail Lightened MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• BBC• Pro Mod Double Frame RailQM-213220-2$399.99 -
On Sale
QM Big Block Ford 460/429 Midplate
Quarter-Max
Now: $136.49Was: $225.74Big Block Ford 460/429 MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Frame Rail: 20.375"QM-213209Now: $136.49Was: $225.74 -
QM Ford 351 Windsor Midplate
Quarter-Max
$203.69Ford 351 Windsor MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"• Ford 351 WindsorQM-213109-1$203.69 -
QM Big Block Chevy Lightweight Midplate
Quarter-Max
$369.99Big Block Chevy Lightweight MidplateSpecifications:• Material: 6061-T6 aluminum• Thickness: 1/4"• Size: 24" x 24"• Lightweight version weighs approximately 1.35 lbs less than our standard Big Block...QM-213108$369.99