6 Results Found For "603"

Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .603 in. Outside Diameter, Set of 16

Part Number: MRG-920G

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 1/12/2026

Valve Locks, Stamped, Hardened Steel, 7 Degree, 1-Groove, 3/8 in. Valve Stem, Set of 32

Part Number: CCA-603-16

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 1/12/2026

Cylinder Sleeve, Cast Iron, 3.433 in. Bore I.D., 0.094 in. Wall Thickness, 5.813 in. Length, Each

Part Number: MEL-CSL603

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Crankcase Breather, Steel, Chrome, 3/8 in. Inlet, Each

Part Number: BKC-60-3512

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Valve, Intake, Stainless Steel, 2.020 in. Diameter, .344 in. Stem, 4.900 in. Length, Chevy, Each

Part Number: CCA-6039-1

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

• Drop Ship
• Special Order

Valve Springs, Solid Roller Spring 1.550 O.D. Custom PAC Racing Spring, Each

Part Number: AFR-8000-1

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026