Back-Halfs
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1947-1953 Chevy/GMC Truck Rear End Frame Box-In Kit
Quarter-Max
$98.99This kit includes qty-4 pieces of 11 gauge mild steel plate cut on a water jet to box in the inside rear frame of your 1947-1953 Chevy or GMC truck. Boxing in your rear frame will make your frame much stronger and will look like box tubing when the job...RJ-219609$98.99 -
2" x 3" Dropped Crossmember
Quarter-Max
$85.99Fabricating a rear frame on a Pro Street or Drag Race car is easier and looks more professional with a 2" x 3" dropped crossmember. The sturdy 2" x 3" .083” steel crossmember is mandrel bent on CNC equipment to provide uniform wall thickness and...RJ-302105$85.99 -
2" x 3" Dropped Crossmember with Ladder Bar Brackets
Quarter-Max
$131.99Fabricating a rear frame on a Pro Street or Drag Race car is easier and looks more professional with a 2" x 3" dropped crossmember. The sturdy 2" x 3" .083” steel crossmember is mandrel bent on CNC equipment to provide uniform wall thickness and...RJ-302109$131.99 -
4-Link Round Tube Back-Half Kit
Quarter-Max
$1,072.99Our 4130 round tube 4-link back half kit includes 1-5/8 in. OD x .083 in. W frame rails, 1-3/4 in. OD x .095 in. front crossmember, upper shock mount, and cross bracing. Comes with 1/4 in. pro series 4130 4-link brackets TIG welded to the frame rails...RJ-302116$1,072.99 -
4-Link Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130
Quarter-Max
$431.984-Link Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130Sold in pairs. Brackets not included. This item will have a discounted oversize fee of $80.00 when shipped via ground delivery to the contiguous 48 United States.RJ-301104-1$431.98 -
4-Link Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130, with Welded Chassis Brackets
Quarter-Max
$739.984-Link Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130 with Welded Chassis BracketsSold in pairs. Brackets are welded to the frame rails. This item will have a discounted oversize fee of $80.00 when shipped via ground delivery to the...RJ-301105-1$739.98 -
4-Link Round Tube Welded Back-Half
Quarter-Max
$1,871.99Our 4130 round tube 4-link back-half includes 1-5/8" .083" frame rails, 1-3/4" .095" front crossmember, upper shock mount, and cross bracing. Comes with 1/4" pro series 4130 front 4-link brackets. Complete fixture TIG welded to your custom width. Rear...RJ-302114$1,871.99 -
Dropped Tubular Crossmember, 1-3/4 in. OD, 3 in. Drop, 4130
Quarter-Max
$169.99Dropped Tubular Crossmember, 1-3/4 in. OD, 3 in. Drop, 4130Specifications:• 3 in. drop center• Width: 54-1/8 in.• Material: 4130• Diameter: 1-3/4 in. OD• Wall thickness: .095 in. wallAlso available in mild steel RJ-302106.Sold...RJ-302107$169.99 -
Dropped Tubular Crossmember, 1-3/4 in. OD, 3 in. Drop, Mild Steel
Quarter-Max
$59.99Dropped Tubular Crossmember, 1-3/4 in. OD, 3 in. Drop, Mild SteelSpecifications:• 3 in. drop center• Width: 54-1/8 in.• Material: Mild steel• Diameter: 1-3/4 in. OD• Wall thickness: .134 in. wallAlso available in 4130 RJ-302107...RJ-302106$59.99 -
Dropped Tubular Crossmember, 1-3/4 in. OD, 3 in. Drop, Mild Steel, with Brackets
Quarter-Max
$99.99Our dropped tubular crossmember is the economical solution to add a crossmember and front ladder bar brackets to your project.Dropped Tubular Crossmember with Brackets, 1-3/4 in. OD, 3 in. Drop, Mild SteelSpecifications:• 3 in. drop center•...RJ-302110$99.99 -
Ladder Bar Round Tube Back-Half Kit
Quarter-Max
$969.99Our 4130 round tube ladder bar back-half kit includes 1-5/8 in. OD x .083 in. W frame rails, 1-3/4 in. OD x .095 in. front crossmember, upper shock mount, cross bracing, and a 180 degree driveshaft loop. Comes with 1/4 in. ladder bar brackets TIG welded...RJ-302117$969.99 -
Ladder Bar Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130
Quarter-Max
$445.98Ladder Bar Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130Sold in pairs. Brackets not included.This item will have a discounted oversize fee of $80.00 when shipped via ground delivery to the contiguous 48 United States.RJ-302108-1$445.98 -
Ladder Bar Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130, with Welded Chassis Brackets
Quarter-Max
$603.98Ladder Bar Round Tube Frame Rails, 1-5/8 in. OD x .083 in. W 4130, with Welded Chassis BracketsSold in pairs. Chassis brackets are welded to the frame rails.This item will have a discounted oversize fee of $80.00 when shipped via ground delivery to the...RJ-302109-1$603.98 -
Ladder Bar Round Tube Welded Back-Half
Quarter-Max
$1,479.99Our 4130 round tube ladder bar back-half includes 1-5/8" .083" frame rails, 1-3/4" .095" front crossmembers, upper shock mount, cross bracing, and a 180° driveshaft loop. Comes with 1/4" ladder bar brackets. Complete fixture TIG welded to your custom...RJ-302115$1,479.99 -
QM Universal 4-Link Rails
Quarter-Max
$251.98The QM Universal 4-Link Rails is the perfect way to narrow the rear of your chassis to accept extra-wide racing tires. Our frame rails are of universal design, making them adaptable to any car from Pro Street to Drag Race. The specially engineered...RJ-301104$251.98 -
QM Universal Ladder Bar Rails
Quarter-Max
$417.98The perfect way to narrow the rear of your chassis to accept extra-wide racing tires. Our frame rails are of universal design, making them adaptable to any car from Pro Street to Drag Race. The specially engineered profile allows adequate clearance for...RJ-302108$417.98 -
Welded 4-Link Back-Half, 2" x 3"
Quarter-Max
$1,309.99Our Welded 4-Link suspension includes frame rails, 2x3 crossmember, Quarter-Max 4-Link Kit # 301101, diagonal link, 180° driveshaft loop, upper shock mount & cross bracing.This item ships truck freight only. By purchasing this item online you are...RJ-302113$1,309.99 -
Welded Ladder Bar Suspension Back-Half
Quarter-Max
$1,539.99Our welded ladder bar suspension includes Double Adjustable Ladder Bars #302102, frame rails, 2x3 crossmember, chassis brackets, diagonal link, 180 driveshaft loop, upper shock mount & cross bracing. This item ships truck freight only. By purchasing...RJ-302112$1,539.99