Availability
Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Dart, Brodix, AFR and RHS, Kit
Part Number: HRS-90121
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Mechanical Roller Tappet, Advertised Duration 293/301, Lift .680/.680, Chevy, Big Block, Each
Part Number: HRS-121133-14
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Chromoly, 10 Degree, 1.450 in. Outside Diameter, .700 in. Inside Diameter, Set of 16
Part Number: HRS-97128
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Mechanical Roller Tappet, Advertised Duration 289/299, Lift .600/.600, Chevy, Small Block, Each
Part Number: HRS-111133-10S
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arm Stud Girdle, Maximum Effort, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Small Block, Kit
Part Number: HRS-90101
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Mechanical Roller Tappet, Advertised Duration 269/275, Lift .555/.555, Chevy, Small Block, Each
Part Number: HRS-110183-08
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 272/282, Lift .525/.520, Pontiac, V8, Each
Part Number: HRS-414145-10
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Kit
Part Number: HRS-90120
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Mechanical Roller Tappet, Advertised Duration 291/295, Lift .640/.640, Chrysler, Big Block, Each
Part Number: HRS-722323-08
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Lifters, Mechanical Flat, Ford, 221-302, 351C, 351M, 351W, 400, 429, 460, Set of 16
Part Number: HRS-91215
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Boost, Hydraulic Roller Tappet, Advertised Duration 277/287, Lift .525/.536, Chevrolet, Small Block, Each
Part Number: HRS-119135-14
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.450 in. Outside Diameter, Set of 16
Part Number: HRS-97118
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Chromoly, 10 Degree, 1.550 in. O.D., .705 in. I.D., Set of 16
Part Number: HRS-97130
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Stud Girdle Kit, 7/16 in.-20 Thread, Ford, 221-302, 351W, Kit
Part Number: HRS-90201
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Boost, OE Hydraulic Roller Tappet, Advertised Duration 307/317, Lift .600/.600, Chevrolet, Small Block, Each
Part Number: HRS-189425-14
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Rocker Arm Stud Girdle, Maximum Effort, Aluminum, Purple, 3/8 in.-24 Thread, Chevy, Small Block, Kit
Part Number: HRS-90100
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.370 in. Outside Diameter, Set of 16
Part Number: HRS-97110
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 272/282, Lift .517/.512, Oldsmobile, V8, Each
Part Number: HRS-514245-10
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Lifters, Mechanical Flat Tappet, Chevy, Big, Small Block, Set of 16
Part Number: HRS-91115
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Chromoly, 10 Degree, 1.250 in. O.D., Set of 16
Part Number: HRS-97132
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Lifters, Performance, Mechanical Flat Tappet, 0.989 in. Diameter, 2.580 in. Seat Height, Chevrolet, L6, Set of 12
Part Number: HRS-91125
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.450 in. Outside Diameter, Each
Part Number: HRS-97128-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Lifter, Mechanical Flat, Ford, 221-302, 351C, 351M, 351W, 400, 429, 460, Each
Part Number: HRS-91215-1
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Valve Spring Retainers, Chromoly Steel, 7 Degree, 1.250 in. Outside Diameter, Set of 16
Part Number: HRS-97112
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Camshaft, Mechanical Roller Tappet, Advertised Duration 285/291, Lift .680/.663, Chevy, Big Block, Each
Part Number: HRS-120043-08
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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