Product Summary

4L60E, 700R4, T5, TKO, Steel, Powder Coated

  • Fits several GM-2 transmissions (see list)
  • Specifically designed to fit the 1977-1990 B-Body
  • There is no drilling, cutting, grinding, or welding required
  • It has large exhaust clearance humps for large diameter exhaust systems
  • Engineered to be a direct bolt-in transmission crossmember to accommodate your swapped transmission while still using the factory crossmember mounting locations
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Key Specs

MFG. Part #RCB3-700
BrandG Force Crossmembers
Material TypeSteel
FinishPowder Coated
See more specs

Need To Know

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G Force Crossmembers RCB3-700 Details

For all you Classic B-Body Builders, we've designed a direct bolt-in transmission crossmember to accommodate your swapped transmission while still using the factory crossmember mounting locations. No drilling, cutting, grinding, or welding! Simple and complete instructions are included, along with new mounting hardware.

NOTE: Many G Force Crossmembers utilize the early GM double stud transmission mount configuration, for the increased strength aspects. Should your vehicle originally be equipped with a single centered stud transmission mount, simply replace your transmission mount with the early style.

  • Fits 1977-1990 B-Body
  • Large exhaust clearance humps for large diameter exhaust systems

Application

Since different transmissions can share the same overall lengths as well as other measurements, they can also share some transmission crossmembers. G-Force has grouped the transmissions together that can share the same crossmember.

This Crossmember fits the GM-2 Transmission Group:

  • Turbo Hydra-Matic 700R4 (TH700R4)
  • Hydra-Matic 4L60 transmission
  • Hydra-Matic 4L60-E transmission
  • Tremec TKO-500
  • Tremec TKO-600
  • Tremec TKO-4615
  • Tremec TKO-4616
  • Tremec TKO-4617
  • Tremec TKO-4618
  • Tremec TKO-5008
  • Tremec TKO-5009
  • Tremec TKO-5201
  • Borg-Warner T-5
  • Tremec T-5 #1352-000-251

Charts

G Force Crossmembers RCB3-700 Specifications

KEY SPECS
MFG. Part #RCB3-700
BrandG Force Crossmembers
Material TypeSteel
FinishPowder Coated
GENERAL
Sold in QuantityEach
NotesPlease note that G-Force crossmembers do not include the G-Force logo sticker as shown in the picture. This decal is shown for brand reference only.

Ratings & Reviews

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Best transmission mount ive bought

5.0

6 years ago

Jay

Tennessee

Verified

Easy to install... Could probably use it with stock exhaust as well... Comes with bolts to mount it. Works good with the energy suspension trans mount... Can feel a difference from the factory cross member to this one feels like it holds the car together better

Would Recommend

Showing 1 of 1 reviews

Questions & Answers

Fitment

  • 250 Chevy Turbo-Thrift 6 I6

  • 4.1 Buick Even Fire V6

  • 4.1 Buick Even Fire V6

  • 4.1 Buick Even Fire V6

  • 4.1 Buick Even Fire V6

  • 250 Chevy Turbo-Thrift 6 I6

  • 4.1 Buick Even Fire V6

  • 4.1 Buick Even Fire V6

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LB1 90-Degree Chevy

  • Gen 1 LG3 Small Block Chevy

  • Gen 1 LB1 90-Degree Chevy

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 267

  • Gen 1 LG3 Small Block Chevy

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 267

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LB1 90-Degree Chevy

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 267

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 267

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 229

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LB1 90-Degree Chevy

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 267

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • Gen 1 L14 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 267

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 267

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LG3 Small Block Chevy

  • 2-Piece Rear Main Chevy 267

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 267

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 267

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 229

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 229

  • Gen 1 LB1 90-Degree Chevy

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LG3 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LB1 90-Degree Chevy

  • 2-Piece Rear Main Chevy 350

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 2-Piece Rear Main Chevy 350

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 LB1 90-Degree Chevy

  • 250 Chevy Turbo-Thrift 6 I6

  • 250 Chevy Turbo-Thrift 6 I6

  • Gen 1 L14 Small Block Chevy

  • Oldsmobile 403

  • Oldsmobile 403

  • Oldsmobile 403

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • Oldsmobile 403

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • Oldsmobile 403

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • Oldsmobile 403

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • Oldsmobile 403

  • 260 Oldsmobile Small-Block V8

  • 260 Oldsmobile Small-Block V8

  • Oldsmobile 403

  • 265 Pontiac V8

  • 265 Pontiac V8

  • 265 Pontiac V8

  • 265 Pontiac V8

  • 265 Pontiac V8

  • 265 Pontiac V8

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