TCI Lightweight Machined LS Flexplate 399853LW TCI's new Heavy Duty, Lightweight Flexplate for GM LS applications is CNC machined with dual bolt patterns and withstands more than 12,000 RPM. Gas Nitrded for increased hardness and lightening holes to...

LS Swap Transmission Adapter Bolt Bolt for spacer adapter 603532-1.

LS Swap Transmission Adapter Spacer 603532-1 This spacer is required when installing a pre-1997 non-LS engine transmission (TH350, TH400, 700R4, 4L60, 4L60E or 4L85E) behind an LS Engine. The spacer is positioned between the crankshaft flange and...

LS Swap Transmission Adapter Spacer With Bolts 603532 This spacer is required when installing a pre-1997 non-LS engine transmission (TH350, TH400, 700R4, 4L60, 4L60E or 4L85E) behind an LS Engine. The spacer is positioned between the crankshaft flange...

TCI GM LS1 168-TOOTH INTERNAL BALANCE FLEXPLATE Flexplates are .035" thicker than stock and the starter ring is welded to both sides of the flexplate for additional strength. Constructed from a high tensile strength material these flexplates resist...

TCI FLEXPLATE LS1 ENGINE TO 4L80E/TH400 CONVERTER/TRANSMISSION WIDE PATTERN SFI APPROVED Heavy-duty flexplate made from A36 steel avoids cracking & high RPM ring gear failure Flexplates are an often overlooked component in race and high...