Availability
1966 Proform Parts Engines & Components
Rocker Arm, Super-Street, 3/8 in. Stud Mount, Full Roller, Aluminum, 1.6 Ratio, Ford, Small Block, Each
Part Number: PRO-66911P
Estimated Ship Date: Today
Estimated Ship Date: Today
Combo, Proform, Rocker Arms, Roller, 1.7 Ratio, Valve Lash Adjustment Tool, Chevy, Big Block, Kit
Part Number: CMB-09-0016
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Cover, 1-Piece, Steel, Chrome Plated, 10-Bolt, Each
Part Number: PRO-66153
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nut Kit, 16 Anti-gall Balls and 16 Nuts, Kit
Part Number: PRO-66924C
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Pointer, Steel, Chrome, 7 in. Balancer, Chevy, Small Block, Each
Part Number: PRO-66108
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Cover, Aluminum, Chrome, 8 in. Diameter, Degree Markings, Chevy, Small Block, Each
Part Number: PRO-66518CC
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Cover, Aluminum, Chrome, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each
Part Number: PRO-66517CC
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Hold-Down Tabs, Steel, Chrome Plated, Chevy, Small Block V8, Set of 4
Part Number: PRO-141-610
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Short, Baffled, Steel, Shark Gray, Chevrolet Bowtie Logo, Chevy, Big Block, Pair
Part Number: PRO-141-889
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Cover, Aluminum, Chrome, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each
Part Number: PRO-141-725
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Shafts, Machined, Steel, Chrysler, Small Block, Each
Part Number: PRO-66867
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Freeze Plugs, Brass, Chrysler, 383, 413, 426, 440, Kit
Part Number: PRO-66558
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Tall, Die-Cast Aluminum, Orange Powdercoated, Bowtie Emblem, Chevy, Small Block, Pair
Part Number: PRO-141-120
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Tall, Die-Cast Aluminum, Carbon Fiber Finish, Bowtie Emblem, Chevy, Small Block, Pair
Part Number: PRO-141-121
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Cover Hold-Down Tabs, Steel, Shark Gray, Chevy, Small Block V8, Set of 4
Part Number: PRO-141-885
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Covers, Mopar Timing Chain Covers, One-piece, Steel, Chrome, Mopar M Logo, Dodge, Big Block B/RB, 426 Hemi, Each
Part Number: PRO-440-216
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm, Shaft Mount, Roller, Aluminum, 1.5 Ratio, Chrysler, Big Block, Left Side, Each
Part Number: PRO-66868L
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Tall Height, Stamped Steel, Carbon Fiber Finish, Chevrolet Logo, Chevy, Small Block, Pair
Part Number: PRO-141-712
Estimated Ship Date: Feb 16, 2026 if ordered today
Estimated Ship Date: Feb 16, 2026 if ordered today
Timing Pointer, Steel, Chrome, 8 in. Balancer, Chevy, Small Block, Each
Part Number: PRO-141-202
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain Cover, 1-Piece, Steel, Gray, Chevrolet, Big Block, Each
Part Number: PRO-141-221
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Pointer, Steel, Chrome, 8 in. Balancer, Chevy, Big Block, Each
Part Number: PRO-141-201
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Shafts, Machined, Steel, Chrysler, Big Block, Each
Part Number: PRO-66866
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm, Shaft Mount, Roller, Aluminum, 1.5 Ratio, Chrysler, Big Block, Right Side, Each
Part Number: PRO-66868R
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Guideplates, Flat, Hardened, 5/16 in. Pushrod Size, Chevy, Small Block, Set of 8
Part Number: PRO-66880
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Cover, Aluminum, Black, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each
Part Number: PRO-141-727
Estimated Ship Date: Today
Estimated Ship Date: Today
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