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Trans-Dapt Performance Products offers a full selection of both gasket and o-ring design waternecks for, GM, Ford and Mopar vehicles. All waternecks include required bolts, and some GM models are available with Chevy Orange Powder Coat.
 
Part # ApplicationDescriptionDesign Style Media
4788
 
CHEVROLET 1955 to 1965

CHEVY SB & BB- Early ModelGasket
Photo
$16.01
4789
 
CHEVROLET 1966 to 1975

CHEVY SB & BB- Late ModelGasket
Photo
$18.88
4987
 
CHRYSLER

 
DODGE

 
PLYMOUTH

CHRYSLER V8Gasket
Photo
$17.97
9228
 
CHEVROLET 1955 to 1965

CHEVY SB & BB- Early ModelO-Ring
Photo
$16.34
9229
 
CHEVROLET 1966 to 1975

CHEVY SB & BB- Late ModelO-Ring
Photo
$16.34
9230
 
PONTIAC 1964 to 1979

PONTIAC V8- 1964-79O-Ring
Photo
$17.24
9403
 
OLDSMOBILE

CID: 330; 455;

 
PONTIAC

Liters: 6.6;

OLDS 330-455, PONTIAC 6.6LGasket
Photo
$22.17
9440
 
FORD 1965 to 1975

CID: 260; 289; 302; 351;

FORD 260-289-302-351WO-Ring
Photo
$16.83
9524
 
FORD

CID: 390; 427; 428;

FORD 390-428O-Ring
$30.37
9468
 
CHEVROLET 1966 to 1975

CHEVY SB & BB- Late ModelO-Ring
Photo
$19.62
9415
 
FORD

CID: 429; 460;

FORD 429-460O-Ring
Photo
$22.17
9647
 
CHEVROLET 1966 to 1975

CHEVY SB & BB- (Straight Up Design)O-Ring
$22.57