Availability
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: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 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: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-590630-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 10 Degree Lock, 1.311 in. Spring O.D., Kit
Part Number: MAN-26380638KS
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8
Part Number: MAN-590035-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-590130-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8
Part Number: MAN-590535-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8
Part Number: MAN-590860-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Valves, Exhaust, XH-432 Stainless Steel, 1.600 in. Diameter, .342 in. Stem, 5.015 in. Length, Set of 8
Part Number: MAN-11599-8
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-590230-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8
Part Number: MAN-590540-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-590530-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pistons, Forged, Flat, 4.060 in. Bore, Chevy, Set of 8
Part Number: MAN-590660-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Valve, Intake, Stainless Steel, 1.900 in. Diameter, 0.342 in. Stem, 5.522 in. Length, Chevrolet, Set of 8
Part Number: MAN-11739-8
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 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: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Pistons, Forged, Flat, 4.040 in. Bore, Chevy, Set of 8
Part Number: MAN-590240-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-590730-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Valve Spring and Retainer, NexTek, Dual, 8mm Stem Diameter, 10 Degree Lock, 1.295 in. Spring O.D., Kit
Part Number: MAN-26361634KS
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2026 if ordered today
Estimated Ship Date: Jun 2, 2026 if ordered today
Pistons, Forged, Flat, 4.035 in. Bore, Chevy, Set of 8
Part Number: MAN-590135-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
VALVE-E/D 1.625,+.200
Part Number: MAN-11715-8
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Pistons, Forged, Flat, 4.030 in. Bore, Chevy, Set of 8
Part Number: MAN-590030-8
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 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