Performance Valvetrain

Dart 32160321 cylinder sleeve for Big Block Chevy. Features a 4.600in bore, 6.770in height, 4.740in OD, 0.185in wall, 10.200in deck, made from iron, designed for racing builds to repair or reinforce cylinders. Enhances durability in high-performance BBC...

Dart 32110213 cylinder sleeve for Small Block Chevy. Features a 4.125in bore, 5.625in height, 4.320in OD, 0.185in wall, 9.025in deck, made from iron, designed for racing builds to repair or reinforce cylinders. Enhances durability in high-performance SBC...

Dart 32110221 cylinder sleeve for Small Block Chevy. Features a 4.125in bore, 5.925in height, 4.300in OD, 0.185in wall, 9.325in deck, made from iron, designed for racing builds to repair or reinforce cylinders. Enhances durability in high-performance SBC...

Dart 32110211 cylinder sleeve for Small Block Chevy. Features a 4.125in bore, 5.625in height, 4.300in OD, 0.185in wall, 9.025in deck, made from iron, designed for racing builds to repair or reinforce cylinders. Enhances durability in high-performance SBC...

Dart 28111000 cylinder head parts kit for Small Block Chevy. Includes 2.02in/1.60in stainless valves, 1.250in springs, retainers, locks, studs, guideplates, and seals, designed for racing builds to assemble a high-performance head. Enhances airflow in...

Dart 28212000 cylinder head parts kit for Small Block Chevy. Includes 2.05in/1.60in stainless valves, 1.437in dual springs, retainers, locks, studs, guideplates, and seals, designed for racing builds to assemble a high-performance head. Enhances airflow...

Dart 27001410 pushrod guide plate for Small Block Chevy and Small Block Ford. Features a 5/16in pushrod slot, flat adjustable design, made from steel with a black oxide finish, designed for racing builds to ensure proper pushrod alignment. Enhances...

Dart 27001230-4 pushrod guide plates for Big Block Chevy. Features a 3/8in pushrod slot, raised adjustable design, made from steel with a black oxide finish, designed for racing builds to ensure proper pushrod alignment. Enhances durability in...

Dart 27001230-1 pushrod guide plate for Big Block Chevy. Features a 3/8in pushrod slot, raised adjustable design, made from steel with a black oxide finish, designed for racing builds to ensure proper pushrod alignment. Enhances durability in...

Dart 27001110 pushrod guide plate for Small Block Chevy. Features a 5/16in pushrod slot, flat design, made from steel with a black oxide finish, designed for racing builds to ensure proper pushrod alignment. Enhances durability in high-performance SBC...

Dart 24000021 valve lock pair for 11/32in valve stems. Features a 10-degree design, standard height, made from chromoly with a black oxide finish, designed for racing builds to secure valve springs. Enhances reliability in high-performance setups. Sold...

Dart 21342300 intake valve for Big Block Chevy. Features a 2.300in head, 11/32in valve stem, 0.250in oversize length, made from stainless steel, designed for racing builds to ensure reliable intake flow. Enhances performance in high-performance BBC...