Crower Parts and Accessories

Rocker Arm Polylock Nuts, Short Design, 7/16 in.-20 Thread, Set of 16

Part Number: CRO-86050S-16

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Lash Caps, Steel, 11/32 in. Valve Stem, .060 in. Thick, .090 Height, Set of 16

Part Number: CRO-86121-16

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rocker Arm Polylocks, Fits 3/8 in. Stud, Set of 16

Part Number: CRO-86051S-16

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rocker Arm Polylocks, Fits 7/16 in. Stud, Set of 16

Part Number: CRO-86050-16

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rocker Arm, Stud Mount, Full Roller, Stainless Steel, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, Big Block, Each

Part Number: CRO-73605-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Locks, Machined, Chromoly, 7 Degree, 1-Groove, 11/32 in. Valve Stem, -.050 in. Height, Set of 32

Part Number: CRO-86107X2-16

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Lash Caps, Steel, 11/32 in. Valve Stem, 0.080 in. Thick, 0.060 Deep, Set of 16

Part Number: CRO-86121S-16

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Motor Oil Additive, ZDDP, Engine Break-In, Kit

Part Number: CRO-86092

4.85 out of 5 stars ( 20 )

Cannot be shipped Internationally if shipped by air

• Restricted

Distributor Gear, Aluminum/Bronze, .Race, 491 in. Diameter Shaft, Chevy, 153, 230, 250, L4, L6, Each

Part Number: CRO-76006

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Locks, Machined, Chromoly, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CRO-86110-16

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Locks, Machined, Hardened Steel, 10 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CRO-86110X2-16

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rocker Arm Polylocks, Fits 3/8 in. Stud, Set of 16

Part Number: CRO-86051-16

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Locks, Machined, Chromoly, 7 Degree, 1-Groove, 11/32 in. Valve Stem, +.050 in. Height, Set of 32

Part Number: CRO-86107X1-16

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Lash Caps, Steel, 3/8 in. Valve Stem, .060 in. Thick, .060 Height, Set of 16

Part Number: CRO-86122S-16

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Locks, Machined, Chromoly, 7 Degree, 1-Groove, 11/32 in. Valve Stem, Set of 32

Part Number: CRO-86107-16

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Lash Caps, Steel, 11/32 in. Valve Stem, .080 in. Thick, Set of 16

Part Number: CRO-86121D-16

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Distributor Gear, Aluminum, Bronze, Race, .427 in. Diameter Shaft, Chevy, Small Block, Big Block, Each

Part Number: CRO-76002

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rocker Arms, 3/8 in. Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, AMC, 290-401, Each

Part Number: CRO-73645-1

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Rocker Arm, 7/16 in. Stud Mount, Full Roller, Stainless, 1.65 Ratio, Chevy, Small Block, Each

Part Number: CRO-73671-1

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Valve Locks, Machined, Chromoly, 7 Degree, 1-Groove, 3/8 in. Valve Stem, .050 in. Taller, Set of 32

Part Number: CRO-86108X1-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Spring Seat Cups, Steel, .060 in. Thickness, 1.550 in. Outside Diameter, 1.00 in. Inside Diameter, Set of 16

Part Number: CRO-68951-16

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

SPRING SEAT DISCS 1.540 .805 .570

Part Number: CRO-68943-16

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Valve Stem Seals, PTFE, Positive Stop, .530 in. Guide, 11/32 in. Valve Stem, Set of 16

Part Number: CRO-86072-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Rocker Arms, 3/8 in. Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, Dodge, 5.2, 5.9L, Each

Part Number: CRO-73655-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Valve Locks, Machined, Chromoly, 10 Degree, 1-Groove, 5/16 in. Valve Stem, Set of 32

Part Number: CRO-86109-16

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

• Special Order