Cross Sills
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1955 2nd Series to 1959 Bed Parts & Wood Kits
1955 2nd to 1959 
Rear Crossmember
All Stepside Beds
$124.00 Each
Part Showcase
Rear Crossmember
USA Reproduction Paintable Steel Made to Exact Detail of OE With Brackets and Bed Wood Board Holes
1955 2nd to 1959
Chevy or GMC Stepside
Part Number:MK-100715
Price:$79.00 Each
Made in USA by Mar-K
$24.00 Each
1955 2nd to 1959
Short Bed 1/2 & 3/4Ton C
hevy or GMC
Part Number:MK-110427
Price: $24.00 Each
Part Showcase
$79.00 Each
$34.00 Each
1955 to 1959 Stepside
Chevy or GMC
Part Number:MK-110483
Price:$34.00 Each
Made in USA by Mar-K
Part Showcase
$49.00 Each
1955 2nd to 1959
Chevy or GMC Stepside
Part Number:MK-110809
Price:$49.00 Each
Made in USA by Mar-K
$24.00 Each
Part Showcase
$24.00 Each
Part Showcase
$59.00 Each
1955 to 1959 Longbeds
Chevy or GMC Stepside
Part Number:MK-110816
Price:$59.00 Each
Requires (2) Per Bed
More 55-59 Bed Parts on Next Page

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Custom Part Showcase
Bed Cross Sill
USA Reproduction Paintable Steel Made to Exact Detail of OE With Brackets and Bed Board Holes 1/2Ton
Third Cross Sill
USA Reproduction Paintable Steel Made to Exact Detail of OE With Brackets & Holes Short Bed 1/2 Ton
Outer End is Formed Upward
and Narrower
1958 to 1959
Fleetside Bed
Rear Crossmember
1958 to 1959 Fleetside
Chevy or GMC
Part Number:MK-100720
Price:$124.00 Each
Made in USA by Mar-K
1955 2nd to 1959
Shortbed 1/2 & 3/4 Ton
Stainless Steel Crossills
Rico's Parts Techno' Notes
  • On March 25th, 1955, GM introduced a completely new Body Style for its Chevrolet and GMC Trucks-nicknamed the "55 Second Series"
  • Chevrolet named the stylish new model "Task-Force" With the introduction of a 265 cubic Inch OHV V-8 Engine resulted in the most Popular Series of Trucks ever built by General Motors
  • All "TF" beds are 50" Wide, by 78-18" Long with bed side depth at 17-9/16" top rail is flat.
  • 55-59 Short-beds needs no front cross sill (front bed panel acts as sill), 2 center sills, and a rear crossmember (8 pine boards)
  • 55-59 Short Step Side bed may also require a "Special 3rd Cross sill" This 3rd cross sill is not as deep as the other regular cross sills #1 & #2 as it sits above the rear axle arch on shortbeds
  • A "Long Bed" 89" in length was produced from 1955 to mid 1957 only. Late '57 through 1959, all Long Beds are 97" in length for stepside beds
  • 1955-57 "early" Long-Beds need: front bed panel, 4 center cross sills, and 1 rear crossmember
  • "Late" 57-59 Long-Beds need: no front cross sill,  4 center cross sills, and 1 rear crosmember
  • All 55-59 Long Beds also use "Reinforcing Strips" (these help support the boards, but do not bolt to the bed sides or frame, but via extra drilled bed strip holes - designed for extra load bearing - they are not as tall as the regular sills)
  • 55-58 "Cameo" and GMC "Carrier" bed is the same as the 1/2-ton and "also uses the Special 3rd Cross-sill" as described above.
  • We also sell the bed crossills in stainless steel *(except for the "third" crossill which is not available in Stainless Steel - uses 3 of 110809)
  • Task Force Beds DO NOT USE wooden mounting blocks. But thin rubber pads were used under the bed cross sills on most beds.
  • We sell the rubber pads that fit under the crossills to help make for a quieter ride.
  • All Task Force Beds have 8 Yellow Pine boards per bed and require 7 bed strips and 2 angles.
  • Order a bedwood kit from us and you get a "Free" Assembly Book!

"What are the differences in the cargo beds of the 1955 to 1959 Pickups?"
1955 2nd to 1959
Third Cross Sill
Short Bed 1/2 Ton
1 Required Per Bed
1955 2nd to 1959
1/2 and 3/4 Ton
Short Bed Cross Sills
2 Required Per Bed
1955 2nd to 1957 Long 89" 
1/2 and 3/4 Ton Stepside
Bed Cross Sills 3-Required
 
Part Showcase
Part Showcase
1955 2nd to 1959 All
Chevy or GMC
Part Number:MK-100580
Price:$6.00 Kit

Quantity:








$11.00 Kit
1947 to 1953
Bed Mounting Pads
Pre-Drilled Rubber
$1.00 Each
Bed Mounting Rubber Pads
Pre-drilled rubber pads  Sold Each Per
Shortbed = 6pcs
Longbed = 8pcs
1947 to 1955 1st
Chevy or GMC
PartNumber:CP-4710832
Price:$1.00 Each
UPS/DHL Ground
Shortbed Requires 6 pieces
Longbed Requires 8 Pieces

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Rear Cross Sill Mounting Hardware Kit
Mounts sill to the bed sides 5/16 indented hex head bolts nuts & washers
Zinc Plated
1955 2nd to 1959 All
SS Rear Crossmember
Mounting Hardware Kit
Rear Cross Sill Mounting Hardware Kit
Mounts sill to the bed sides 5/16 indented hex head bolts nuts & washers
Polished SS
1955 2nd to 1959 All
Chevy or GMC
Part Number:MK-100578
Price:$11.00 Kit
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Rear Crossmember
USA Reproduction Paintable Steel Made to Exact Detail of OE With Brackets and Bed Wood Board Holes

Quantity:









Quantity:








Bed Cross Sill
Made in USA Reproduction Stainless Steel Made to Exact Detail of OE With Brackets and Bed Board Holes 14-gage
Requires 3*

Quantity:








Part Showcase
1955 2nd to 1957 89"
Long Bed 1/2 & 3/4Ton

Chevy or GMC
Part Number:MK-110427
Price: $24.00 Each

Quantity:








Bed Cross Sill
Made in USA Reproduction Paintable Steel Exact Detail of OE W/Brackets and Bed Board Holes
1957 to 1959 Long 97" 
1/2 and 3/4 Ton Stepside
Bed Cross Sills 4-Required
 
Bed Cross Sill
Made in USA Reproduction Paintable Steel Exact Detail of OE W/Brackets and Bed Board Holes
1957 to 1959 97"
Long Bed 1/2 & 3/4Ton

Chevy or GMC
Part Number:MK-110427
Price: $24.00 Each

Quantity:








$24.00 Each
Reinforcing Wood Bed Cross Sills
Made by Mar-K in Paintable Steel These sills are shorter height & placed between crossills to help support loads on Long Bed Trucks
1955 2nd to 1959 All
Long Bed Stepside

Chevy or GMC (2)req'd
Part Number:MK-110437
Price: $24.00 Each

Quantity:








Part Showcase
1955 2nd to 1959
Reinforcing Strips
for All Long Beds
Required 2 each
1955 2nd to 1957 89"
Chevy or GMC Stepside
Part Number:MK-110809
Price:$49.00 Each
Requires (3) Per Bed

Quantity:








$49.00 Each
Bed Cross Sill
Made in USA Reproduction Stainless Steel Made to Exact Detail of OE With Brackets and Bed Board Holes 14-gage
Long Bed Trucks
1957 to 1959 97"
Chevy or GMC Stepside
Part Number:MK-110809
Price:$49.00 Each
Requires (4) Per Bed
1957 to 1959 97"
Longbed 1/2 & 3/4 Ton
Stainless Steel Crossills
Required 4 each

Quantity:








$49.00 Each
Bed Cross Sill
Made in USA Reproduction Stainless Steel Made to Exact Detail of OE With Brackets and Bed Board Holes 14-gage
Long Bed Trucks
Custom Part Showcase
Custom Part Showcase
Part Showcase

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$29.00 Each
Custom Part Showcase
1958 to 1959
Short Fleetside Bed
Bed Crossills
Part Showcase
1958 to 1959 Fleetside
Chevy or GMC Long Bed
Part Number:MK-110433
Price:$29.00 Each
Requires (5) Per Bed
$29.00 Each
Bed Cross Sill
Made in USA Reproduction Paintable Steel Made to Exact Detail of OE With Brackets and Bed Board Holes
Requires 5 each
1958 to 1959
Long Fleetside Bed
Bed Crossills
Bed Cross Sill
Made in USA Reproduction Paintable Steel Made to Exact Detail of OE With Brackets and Bed Board Holes
Requires 3 each
Reinforcing Wood Bed Cross Sills
Made by Mar-K in Stainless Steel These sills are shorter height & placed between
crossills to help support loads on Long Bed Trucks
1955 2nd to 1959 SS
Reinforcing Strips
for All Long Beds
Required 2 each
1958 to 1959 Fleetside
Chevy or GMC Short Bed
Part Number:MK-110433
Price:$29.00 Each
Requires (3) Per Bed

Quantity:








$59.00 Each
1958 to 1959 Longbed
Chevy or GMC Fleetside
Part Number:MK-110813
Price:$59.00 Each
Requires (5) Per Bed
1958 to 1959 Short
Chevy or GMC Fleetside
Part Number:MK-110813
Price:$59.00 Each
Requires (3) Per Bed
1958 to 1959 Short Fleet
Stainless Steel Crossills
Required 3 each

Quantity:








$59.00 Each
Bed Cross Sill
Made in USA Reproduction Stainless Steel Made to Exact Detail of OE With Brackets and Bed Board Holes 14-gage
Short Fleetside
Custom Part Showcase
Custom Part Showcase
1958 to 1959 Long Fleet
Stainless Steel Crossills
Required 5 each
Bed Cross Sill
Made in USA Reproduction Stainless Steel Made to Exact Detail of OE With Brackets and Bed Board Holes 14-gage
Long Fleetside

Quantity:








1958 to 1959 Fleetside
Chevy or GMC Longbed
Part Number:MK-110816
Price:$49.00 Each
Requires (2) Per Bed
Reinforcing Wood Bed Cross Sills Made by Mar-K in  Stainless Steel These sills are shorter height& placed between crossills to help support loads on Long Bed Trucks

Quantity:








$49.00 Each
1958 to 1959 Fleet
Stainless Reinforcing
Strips All Long Beds
Required 2 each
Custom Part Showcase
Custom Part Showcase

Quantity:








1955 2nd to 1959 All
Zinc Rear Crossmember
Mounting Hardware Kit

Quantity:








$6.00 Kit
1955 2nd to 1957 89"
Longbed 1/2 & 3/4 Ton
Stainless Steel Crossills
Required 3 each
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