Engine Components

Cometic Hd 03-Up Twin Cam 1550 T/E .027in Hg w/ New Hat Valve Seal

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Hd 03-Up Twin Cam Std Bore T/E w/Hat Seal, w/O H/G

Cometic Hd 03-Up Twin Cam Std Bore T/E w/ New Hat Valve Seal,030H/G

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Hd 84-Up Xl/Xb 3 9/16in H&B .040inH/G & .020in Base

Cometic Sportster Pushrod O-Ring Kit 91-03

Cometic El Bruto 140inCu. Top End 4.400 .056inH/G,020in Base,Bulk Pack!!

Cometic El Bruto 140inCu. Top End 4.400 .027inH/G, 020in Base

Cometic El Bruto 140inCu. Top End 4.400 .056inH/G, 020in Base

Cometic Hd 3 13/16in B/B Top End Gsk 91-'03 Sporty, .030inH/G Est

Cometic Hd '99-Up Motor Only Kit Cvo110inT/C 4in Bore .040inH/G

Cometic Hd '99-Up Motor Only Kit 110inT/C 4in Bore .030inH/G & .020inB/G

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic 48-65 Harley-Davidson Panhead Std Bore .066 MLS Head Gasket - 2 Pack

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Harley-Davidson 3.875in 1550 Twin Cam .060 Head Gasket

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Harley-Davidson 3.875in 1550 Twin Cam .018 Head Gasket

Cometic Harley-Davidson 3.875in 1550 Twin Cam .045 Head Gasket

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic 92-99 Est Top End B/T .030in H No Rubber Rocker Box Gaskets

Cometic 92-99 Est Top End B/T, No Rubber Rocker Box Gaskets

Cometic Mill/Nallin T/C 3.938inBore H&B Kit .045inH/G, .O-Ring Base

Cometic Mill Tech Twin Cam 4.250inBore H&B Kit .045inH/G & .020inBase

Cometic Millennium 3 13/16'S Head & Base Kit .045in H/G & .020inB/G

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Delkron 95in& 103in Top End Kit H/G, Base O-Rings, Rocker Base

Cometic Ultima Billet Rocker Kit 77-108, Rb028 & Rb033,R41.5X4S

Cometic Ultima Billet Rocker Kit 77-109, Rb028 & Rb033

Cometic Hd Flathead 45in-'40-'73 Top End Kit, Est

Cometic Hd Flathead 45in-'40-'73 Top End Kit

Cometic 66-83 Harley-Davidson Shovelheads Top End Gasket Kit

Cometic Hd 1982-85 Xlxlsxlh 1000 Spo (Blank)

Cometic 82-85 Harley-Davidson XL Top End Gasket Kit

Cometic Hd 1982-85 Xl,Xls,Xlh 1000 Spo Rocker Box Rebuild

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Hd 1100 Evo Xl Sportster 1986- Complete Kit

Cometic Hd113Ci 4.060in Top End Est Kit .030in Mls H/G .010in Steel Base

Cometic 92-99 Harley-Davidson 1340 Evo 3 5/8 Big Bore Top End Gasket Kit

Cometic Twin Cam Base Gasket 4.250in Bore, .030in Rc Pair,4.430inId

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Twin Cam Base Gasket 4.060in Bore, .030in Stock Pattern

Cometic Twin Cam Base Gasket 4.060in Bore, .020inFiber Stock Pattern

Today's lightweight engines are producing more horsepower, higher cylinder pressures, clamp loads and extreme temperatures. Our commitment is to provide innovative, quality gaskets while maximizing your engine's power and performance. Cometic's gaskets are proudly made in the USA with materials manufactured on American soil....

Cometic Hd 1340 3-13/16in .020 Copper B w/O Oil Drain Holes