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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Maximum Effort, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Small Block, Kit
Part Number: HRS-90101
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Mechanical Roller Tappet, Advertised Duration 269/275, Lift .555/.555, Chevy, Small Block, Each
Part Number: HRS-110183-08
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Aluminum, Purple, 7/16 in.-20 Thread, Chevy, Big Block, Kit
Part Number: HRS-90120
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Stud Girdle Kit, 7/16 in.-20 Thread, Ford, 221-302, 351W, Kit
Part Number: HRS-90201
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdle, Maximum Effort, Aluminum, Purple, 3/8 in.-24 Thread, Chevy, Small Block, Kit
Part Number: HRS-90100
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Camshaft, Boost, OE Hydraulic Roller Tappet, Advertised Duration 287/285, Lift .544/.540, Chevrolet, Small Block, Each
Part Number: HRS-189275-16
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Mechanical Roller Tappet, Advertised Duration 309/319, Lift .737/.737, Chevy, Big Block, Each
Part Number: HRS-121233-10
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Stud Girdles, Maximum Effort, Clamp-On, 0.550 in. Minimum Rocker Slot Width, Aluminum, Purple Anodized, Chevrolet, Big Block Mark IV, Pair
Part Number: HRS-90121X
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshafts, Cam, Ford 5.0L, Hyd Roller
Part Number: HRS-229425-14
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Mechanical Roller Tappet, Advertised Duration 281/287, Lift .645/.645, Ford, 352-428 FE, Each
Part Number: HRS-252193-08
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Cam/Lifter Kit, Chev SB, Mech Flat Tappet
Part Number: HRS-CL11232208DL
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 280/290, Lift .560/.560, Pontiac, V8, Each
Part Number: HRS-414345-10
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Lifters, Mechanical Flat Tappet Style, 0.904 in. o.d., Chrysler, Dodge, 331/354/392 Hemi, Set of 16
Part Number: HRS-91725-16
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Camshaft, 4/7 Swap, Hydraulic Roller Tappet, Advertised Duration 290/296, Lift .560/.566, Pontiac, V8, Each
Part Number: HRS-414495-08
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Lifters, Mechanical Flat, AMC 304-401, Chrysler, Big, Small Block, Set of 16
Part Number: HRS-91715
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Lifters, Mechanical Flat Tappet Style, 0.842 in. o.d., Holden, V8, Set of 16
Part Number: HRS-91615
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Cam and Lifters, Mechanical Flat Tappet, Advertised Duration 295/289, Lift .555/.550, Chevy, Small Block, Kit
Part Number: HRS-CL112542-06
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Camshaft, Mechanical Roller Tappet, Advertised Duration 305/319, Lift .680/.650, Chevy, Small Block, Each
Part Number: HRS-110513-12S
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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