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Crower Engine Parts
Founded in a small Arizona speed shop, Crower has grown over the past five decades into one of the largest manufacturers of high performance engine components for cars,...
Founded in a small Arizona speed shop, Crower has grown over the past five decades into one of the largest manufacturers of high performance engine components for cars, trucks, motorcycles, and even marine applications. Using American-made materials, Crower produces a comprehensive line of camshafts, rocker arms, lifters, connecting rods, lash caps, distributor gears, valve springs, retainers, locks, and more. When it comes to time-tested and race-proven performance at a great price, look no further than Crower components on SummitRacing.com.
Founded in a small Arizona speed shop, Crower has grown over the past five decades into one of the largest manufacturers of high performance engine components for cars, trucks, motorcycles, and even marine applications. Using American-made materials, Crower produces a comprehensive line of camshafts, rocker arms, lifters, connecting rods, lash caps, distributor gears, valve springs, retainers, locks, and more. When it comes to time-tested and race-proven performance at a great price, look no further than Crower components on SummitRacing.com.
Rocker Arm Polylock Nuts, Short Design, 7/16 in.-20 Thread, Set of 16
Part Number: CRO-86050S-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Rocker Arm Polylocks, Fits 3/8 in. Stud, Set of 16
Part Number: CRO-86051S-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Rocker Arm Polylocks, Fits 7/16 in. Stud, Set of 16
Part Number: CRO-86050-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
SURE-LOCK ROCKER NUTS 7/16 (7/8 O.L FOR STOCK VALVE COVER)
Part Number: CRO-86050S-1
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
Rocker Arms, Stud Mount, Full Roller, Stainless Steel, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, Set of 16
Part Number: CRO-73605-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Rocker Arm, Stud Mount, Full Roller, Stainless Steel, 1.73 Ratio, Fits 7/16 in. Stud, Ford, 302 Boss/351C/429/460
Part Number: CRO-73615-1
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Rocker Arms, Stud Mount, Full Roller, Stainless Steel, 1.73 Ratio, Fits 7/16 in. Stud, Ford, Set of 16
Part Number: CRO-73615-16
Estimated Ship Date: Monday 4/27/2026 if shipped by air
Estimated Ship Date: Monday 4/27/2026 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: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Rocker Arms, 7/16 in. Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, Ford, 221-302/351W, Set of 8
Part Number: CRO-73612-8
Not Yet Reviewed
Estimated Ship Date: Jun 8, 2026 if ordered today
Estimated Ship Date: Jun 8, 2026 if ordered today
