Availability
Valves, Exhaust, Stainless Steel, 1.880 in. Diameter, .371 in. Stem, 5.354 in. Length, Chevy, Set of 8
Part Number: MAN-11587-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Triple, 1.677 in. Outside Diameter, 733 lbs./in. Rate, 1.142 in. Coil Bind Height, Set of 16
Part Number: MAN-221448-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valves, Exhaust, XH-432 Stainless, 1.880 in. Diameter, .3415 in. Stem, 5.522 in. Length, Set of 8
Part Number: MAN-11737-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Triple, 1.677 in. Outside Diameter, 746 lbs./in. Rate, 1.160 in. Coil Bind Height, Set of 16
Part Number: MAN-221447-16
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Set of 16
Part Number: MAN-221422-16
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Springs, Dual, 1.580 in. Outside Diameter, 535 lbs./in. Rate, 1.170 in. Coil Bind Height, Set of 16
Part Number: MAN-221443-16
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Springs/ Titanium Retainers, Nex Tek, 1.640 in. Outside Diameter, 604 lbs./in. Spring Rate, Kit
Part Number: MAN-261425
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valves, Exhaust, Extreme Duty Series, Stainless, 1.590 in. Diameter, 0.314 in. Stem, Chevy, 6.2L, Set of 8
Part Number: MAN-11685-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Nex Tek Valve Springs/ Titanium Retainers, Super Gas/Comp/Big Block Bracket, Kit
Part Number: MAN-261424
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Springs, Single, 1.126 in. Outside Diameter, 330 lbs./in. Rate, 0.880 in. Coil Bind Height, Set of 32
Part Number: MAN-221434-32
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve, Exhaust, Stainless Steel, 1.900 in. Diameter, .342 in. Stem, 5.422 in. Length, Set of 8
Part Number: MAN-11745-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Exhaust, XH-432 Stainless, 1.60 in. Diameter, .3415 in. Stem, 5.065 in. Length, Set of 8
Part Number: MAN-11701-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Springs, Dual, 1.620 in. Outside Diameter, 500 lbs./in. Rate, 1.200 in. Coil Bind Height, Set of 16
Part Number: MAN-221445P-16
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve Spring Retainers, 7 degree, Titanium, Set of 32
Part Number: MAN-23627-32
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Springs, Dual, 1.610 in. Outside Diameter, 546 lbs./in. Rate, 1.220 in. Coil Bind Height, Set of 16
Part Number: MAN-221444-16
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
VALVE-LS-1 E/D 1.575
Part Number: MAN-11681-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE-E/D 1.600,+.400
Part Number: MAN-11711-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valve, Exhaust, Race Master, Stainless Steel, 38.5mm Head Dia, 20 Degree Dish, Ford, 4.6/5.4L, Set of 8
Part Number: MAN-11633-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Valves, Extreme Duty Series, Exhaust, 1.610 in. Diameter, XH-432 Xtreme Alloy, Chevy, 7.0L LS, Set of 8
Part Number: MAN-11687-8
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
VALVE-E/D 1.900,+.100
Part Number: MAN-11733-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE-E/D 1.625,+.200
Part Number: MAN-11715-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE-BBC E/D 1.880
Part Number: MAN-12743-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Mistu 4G63 Valve Spring Kit
Part Number: MAN-26115
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
INTAKE VALVE SET
Part Number: MAN-12350H-8
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
VALVE-BLANK E/D
Part Number: MAN-11895-8
Not Yet Reviewed
Estimated Ship Date: Apr 3, 2026 if ordered today
Estimated Ship Date: Apr 3, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster