Availability
VALVE-S/D 2.125,+.300
Part Number: MAN-11754-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
VALVE-S/D 1.600,+.200
Part Number: MAN-11771-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve, Race, NK-844 Stainless Steel, Intake, 2.125 in. Diameter, 5.240 in. Length, Chevy, Set of 8
Part Number: MAN-11778-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve, Race, NK-844 Stainless Steel, Intake, 2.125 in. Diameter, 5.240 in. Length, Chevy, Set of 8
Part Number: MAN-11778-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
VALVE-SB CHRY R/M 1.625
Part Number: MAN-11783-8
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, Stainless Steel, 2.080 in. Diameter, .311 in. Stem, 5.010 in. Length, Set of 8
Part Number: MAN-11712-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
VALVE-E/D 1.625,+.100, Each
Part Number: MAN-11713-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve, Exhaust, Stainless Steel, 1.625 in. Diameter, .342 in. Stem, 5.165 in. Length, Chevy, Each
Part Number: MAN-11715-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 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-11701-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve, Race, NK-844 Stainless Steel, Intake, 2.055 in. Diameter, 4.874 in. Length, Chevy, Each
Part Number: MAN-11680-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valves, Intake, XH-428 Stainless, 2.080 in. Head Diameter, 4.874 in. Length, Chevy, 5.7, 6.0L, Set of 8
Part Number: MAN-11682-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 7 Degree Lock, 1.311 in. Spring O.D., Kit
Part Number: MAN-26382038KS
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 7 Degree Lock, 1.311 in. Spring O.D., Kit
Part Number: MAN-26382538KS
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
SINGLE VALVE SPRING
Part Number: MAN-221435-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring, Dual, 1.290 in. Outside Diameter, 377 lbs./in. Rate, 1.100 in. Coil Bind Height, Single
Part Number: MAN-221436-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Each
Part Number: MAN-221438-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Springs, Single, 1.311 in. Outside Diameter, 353 lbs./in. Rate, 1.100 in. Coil Bind Height, Set of 16
Part Number: MAN-221438-16
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Timing Chain and Gears, Double Roller, 3-bolt, Steel Sprockets, Chevy, Small Block, Set
Part Number: MAN-73151
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Timing Chain and Gears, Double Roller, 3-bolt, Billet Steel Sprockets, SBC w/ Chevy BBC Crank Snout, Set
Part Number: MAN-73221
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Guideplates, Raised, Steel, Black Oxide, 3/8 in. Pushrod Size, Chevy, Small Block, Each
Part Number: MAN-42150-1
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Guideplates, Raised, Steel, Black Oxide, 3/8 in. Pushrod Size, Chevy, Small Block, Set of 8
Part Number: MAN-42150-8
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
KIT-SBC LS-2 BILLET -.005
Part Number: MAN-73334
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Valve Spring, Dual, 1.340 in. Outside Diameter, 394 lbs./in. Rate, 1.050 in. Coil Bind Height, Set of 16
Part Number: MAN-221435-16
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
Valve, Intake, Race Series, Stainless Steel, 2.100 in. Diameter, 0.342 in. Stem, 5.240 in. Length, Set of 8
Part Number: MAN-11594-1
Not Yet Reviewed
Estimated Ship Date: Dec 30, 2025 if ordered today
Estimated Ship Date: Dec 30, 2025 if ordered today
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