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
Cam and Lifters, Rattler, Hydraulic Flat Tappet, Advertised Duration 281/289, Lift .545/.553, Chevy, Big Block, V8, Kit
Part Number: HRS-CL128001-09
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, Fits 7/16 in. Stud, Chevy, 396-454, V8, Set of 16
Part Number: HRS-90075
Estimated Ship Date: Today
Estimated Ship Date: Today
Lifters, Hydraulic Roller, OE Style, Chevy, Big Block, Set of 16
Part Number: HRS-91120
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, Hydraulic Roller Tappet, Advertised Duration 290/296, Lift .634/.640, Chevy, Big Block, Each
Part Number: HRS-120265-12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Main Caps, Billet Steel, Center, Straight Outer Bolts, 4-Bolt, Chevy, Big Block, Set of 3
Part Number: HRS-H454
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
Lifters, Mechanical Roller, Horizontal Bar, Chevy, Big Block, Set of 16
Part Number: HRS-91129
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.8 Ratio, Fits 7/16 in. Stud, Chevy, 396-454, V8, Set of 16
Part Number: HRS-90079
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 278/288, Lift .595/.601, Chevy, Big Block
Part Number: HRS-122115-14
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 300/308, Lift .680/.680, Chevy, Big Block
Part Number: HRS-123505-12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam and Lifters, Street Force 2, Hydraulic Flat Tappet, Advertised Duration 269/275, Lift .516/.527, Chevy, Big Block, Kit
Part Number: HRS-CL120031-12
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Mechanical Roller Tappet, Advertised Duration 281/281, Lift .663/.663, Chevy, Big Block, Each
Part Number: HRS-121313-10
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered 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
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 286/300, Lift .600/.612, Chevy, Big Block
Part Number: HRS-120605-14
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Camshaft, Mechanical Roller Tappet, Advertised Duration 309/323, Lift .737/.731, Chevy, Big Block, Each
Part Number: HRS-120973-12
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 306/312, Lift .657/.640, Chevy, Big Block
Part Number: HRS-123335-10
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 294/294, Lift .618/.618, Chevy, Big Block
Part Number: HRS-120275-10
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 278/284, Lift .567/.578, Chevy, Big Block
Part Number: HRS-120245-12
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Camshaft, Hydraulic Roller Tappet, Advertised Duration 282/288, Lift .589/.600, Chevy, Big Block, Each
Part Number: HRS-120325-08
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Camshaft, Mechanical Roller Tappet, Advertised Duration 281/287, Lift .663/.680, Chevy, Big Block, Each
Part Number: HRS-121153-10
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Camshaft, Retrofit, Hydraulic Roller Tappet, Advertised Duration 286/300, Lift .600/.612, Chevy, Big Block
Part Number: HRS-120605-12
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Camshaft, Mechanical Roller Tappet, Advertised Duration 285/291, Lift .680/.663, Chevy, Big Block, Each
Part Number: HRS-120043-08
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Lifters, Hydraulic Flat Tappet, Chevy, Set of 16
Part Number: HRS-91110
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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