ATI Performance Products ATI915543: ATI SFI Flexplates
An SFI 29.1 steel flexplate for an internally balanced LS with a one-piece rear main seal, 168 teeth, so a used engine starts its new life with a fresh, certified plate.
$219.99In stock
A junkyard LS arrives without the small parts that join it to an older car. These are the pieces most swaps replace anyway: a fresh flexplate and balancer, a new pan gasket, proper bolts for the mounts and headers, and a hydraulic clutch for a build that adds a manual gearbox.
An SFI 29.1 steel flexplate for an internally balanced LS with a one-piece rear main seal, 168 teeth, so a used engine starts its new life with a fresh, certified plate.
$219.99In stock
ATI's Super Damper for Gen III/IV LS engines: an SFI 18.1 balancer with six serpentine grooves and laser-engraved 360-degree timing marks.
$461.15In stock
GM's own one-piece silicone and aluminum oil pan gasket for the small-block LS, the inexpensive part to renew while the pan is off.
$57.99In stock
Stainless 12-point motor mount bolts with flat washers for 4.8, 5.3, 5.7, 6.0, 6.2 and 7.0 L GM engines.
$26.99In stock
Twelve hex-head header bolts for the LS, with washers, rated by ARP at 170,000 psi and much stronger than stock.
$34.99In stock
Ridetech's bolt-in engine mount brackets for 1965-1979 F-100 and 1975-1979 F-150 frames, made to accept Ford, small- and big-block Chevy, or LS engines.
$175.00In stock
A complete hydraulic release for classic GM cars getting a TKO, TKX, Muncie, Saginaw or Richmond: master, slave, lines, reservoir and an adjustable bracket that keeps the stock firewall.
$639.95In stock
Where these picks come from: Summit Racing