This is from a thread originally started by Mark Ascher.
This will be updated as items and sources become or are no longer available
Here are some of the parts and services you might need if are restoring a 65 GS. Many of these will be applicable to 66 GS:
ENGINE:Motor mounts for GS - these will need to be re-vulcanized, as originals or replacements are not available. Steele Rubber Products offers this service.
Doug at Buick Farm offers new motor mounts .
https://www.buickfarm.net/37/117/gm-group-0-clutch-engine/p-engine-mount-lh-or-rh-norsJ&C's Parts; Carmen Faso. Carmen has everything you need to rebuild a nailhead for a GS.
Fuel Filter, correct for non-air GS; AC GF-94; air, AC GF-423
Exhaust choke heat tube insulation (choke tube loom or cover); Paragon Corvette/4015
French locks for exhaust manifolds; were available from OPGI, currently offered (3/2015) from ?
Nailhead mini-starters; Tom Telesco
Nailhead roller rocker arms; Tom Telesco
Air cleaner labels; silk screened on aluminum; CARS
PCV Grommet; HELP/ part number - 42056
PCV valve; Fusick Olds/CV679C
TA Performance; new timing covers
Brassworks Flowkooler; Water Pump
Water crossover gaskets; Fel-Pro/140728
Correct thermostat gaskets; Rockauto/ Victor Reinz #C26565
Correct spark plug wires; Lectric Limited/3330-651
Correct plug boots; eBay!
"Correct" (close) oil fill cap; Ames/N225F
FRAME & SUSPENSION:Brake and fuel lines for GS; Inline Tube. They also made my stainless e-brake cables. I sent them my originals to duplicate, so they should fit your GS! I ordered originally lines from other well known line suppliers, none fit or looked like originals.
Upper control arm bushings; the threaded type correct for 65; Rare Parts -
www.rareparts.com (don't know if these are still available)
Exhaust systems for GS, correct type; Gardner Exhaust Systems -
www.gardnerexhaust.com/homepage.htmlSprings; Espo Spring/C-CS-6197; C-CS-656
Lower steering column bearing; P/N CH28699, available from Original Parts Group
ENGINE COMPARTMENT:Brakebooster and hood hinge plating; Steve Gregori -
www.brakeboosters.com. Steve also does other plating for nuts, bolts, etc. clear zinc/black zinc/zinc dichromate
Power steering pump and box rebuilding; Lares Manufacturing -
www.larescorp.comVoltage regulators; need a dated one with correct "Delco Remy" stamped in the cover? - Masters City Corvette, John Pirkle
Horn rebuilding; The Hornworks/Gary Steinkellner -
http://www.thehornworks.com/Firewall insulator grommets, correct rubber type, not plastic "christmas tree" type; Paragon Corvette -
www.corvette-paragon.com; 2034K, 9 to a pack
Paragon is also a great source for original style bolts and other hardware.
Battery; Antique Auto Battery/DC12
Battery hold down clamp; CARS/BC65GS
Battery hold down bolt/nut; CARS/BB610
Hood Insulation; CARS - needs to be trimmed to fit
Proper hood bumpers (fender); Fusick Olds
Correct voltage regulator capacitor; Ames/M241
Blower motor wire (orange wire) firewall grommet; Ames/P120W
Plastic wire harness straps for left inner fender; Fusick Olds/WHF05
Rubber battery cable cover for relay on left inner fender; Fusick Olds/BCC648
Wiper motor screws with grommets; Fusick Olds/WPS647
INTERIOR:Plastic rechroming; Chrome Tech in Madison, WI. I used Bob for the armrest bases, the main plastic component in a GS or Skylark interior that will need attention. 3M makes the reflective material you'll need for the end of the armrest base visible when the door is open.
http://www.chrometechusa.com/Reproduction steering wheels; Frank McIntyre; fjmcintyre@comcast.net no longer available
Weatherstripping; Steele/ vent window weatherstrip, roofrail weatherstrip, deluxe belt moulding seals, trunk weatherstrip, door weatherstrip, door drain plugs;
Vent window division strip; Steel/ 50-0435-56
Rocker panel inner drain plug; Steele/70-2392-45 (2 required, 1 each side)
Door bottom drain hole plugs; Steele/70-0938-70 (4 required, 2 each door)
Radiator "insulators" for GS; Steele/70-2050-31
Door weatherstrip; Steele/ 82-0083-72
Door lock pillar bumpers; Fusick Olds/DB85
Roofrail weatherstrip; Steele/27-0064-68
Trunk weatherstrip; Steele/70-0774-84
Lock pillar fillers (U-jamb); 70-1433-79
Beltline weatherstrip for deluxe, or "wide" mouldings; Steele/50-0497-61 (2) and 50-0496-61 (2)
Stainless bucket seat hinge end caps; Fusick Olds/3288
Legendary; door panels, kick panel carpet seat kits
Carpet; Auto Custom Carpet
C-pillar interior light lenses, correct type; Performance Years Pontiac/Ames
Door lock knobs, correct type; Performance Years Pontiac/Ames
SMS; headliner & vinyl material
Seat belt retractor covers; The Parts Place/IN3694Z
TRIM:Reproduction front park light lenses & back up light lenses; Contact: Dan H. -- username BuickGS65 here on the board
Or visit :
http://65gs.com/board/index.php?topic=3104.msg20979;topicseen#msg20979Tailight gaskets; Metro Moulded/PN was MK 1006 120 (P)
Front bumper fillers; this rubber part was (is?) available from CARS.
Gran Sport emblems; OPGI/C-pillar, S230120; Trunk, S230133; Grille, S230114
Correct amber front park light bulbs; Ames/B167A
Tri-City Plating; bumper rechroming
Chrome wheel centers; correct 65 centers are available from Mitch Romanowski; mitchromanowski@sbcglobal.net
Correct rear license plate holder/gas door; Fusick Olds/GD647
Rear tail light center emblem plastic tri-shield insert is available from Emblem Magic.
http://www.emblemagic.comPart # C65BK246
OTHER:4 Speed shift HANDLE rebuild kits; Jody Anderson, National Impala Association
Jody also has the thick felt washers needed for the clutch linkage bellcrank.
For 4 or 3 speed manual cars, correct clutch rod bellows is from The Paddock/V1511
Bellhousing Boot; Buick Farm
(1) 65-65 GS manual transmission - clutch crosshaft boot (at bellhousing]
https://www.buickfarm.net/519/117/gm-group-0-clutch-engine/p-boot-clutch-crosshaft-at-bell-housing-norsReplaces original part # 1357843
Also fits: 1963; LESABRE, WILDCAT, INVICTA & ELECTRA and 1964-1966; WILDCAT WITH MANUAL TRANS
Fuel Tank; reproductions available from several sources; Quanta, Tamraz (which I bought) and Auto City Classics.
Fuel tank to body pads; Patton Glade (available from Patton via V8Buick.com)
Driveshafts restored; Quanta
Door lock pillar striker; Performance Years Pontiac/Ames
Foam cowl seals; Ames/PN was RPF166
Original type trunk mat; Hill Jenkins Interiors
Correct rear speaker enclosure (under package tray); Ames/F185
Bill Hirsch Paints; Buick Green; exhaust manifold high heat gray; Other Paints; Krylon Dull Aluminum, Rustoleum BBQ Black for grille, taillight housings, dull aluminum for diecast instrument housings
Lucas Tire - correct 7.75 x 14 tires
Fusick Olds; many correct parts from this supplier
Axle Bearings?
Throw Out Bearings, clutch release bearing
Terrill Machine
Route 2, Box 61
De Leon, TX 76444 (254)893-2610
Part number: CB 1054 note: this is the bearing only, need to reuse the original collar
Also deal in Nailhead engine parts up to 1966
Long console automatic floor shift shifter rod boot is available from Original Parts Group (and others) - part # CH27681
Replaces Group # 4.015, Part # 3843288
Also fits 64-67 Chevelle
A/C parts:
