Mopar 440 Big Block Rocker Arms 1966-1978 Sealed Power R-828, R-828 & R-829

Sealed Power rocker arm set for the Mopar 440 Big Block (1966-1978). Listed for one application: Mopar 440 Big Block engines, 1966-1978, in Dodge, Plymouth, Chrysler applications. Confirm your engine code and year against this listing before ordering.

What it does

Rockers multiply cam lift at the valve. Worn rocker bearings (a known LS trunion weakness) and galled tips tick, lose lift and shed needles into the oil. A new rocker set or trunion upgrade restores quiet, full-lift valve action.

Fits

• Dodge vehicles with the Mopar 440 Big Block engine, 1966-1978
• Plymouth vehicles with the Mopar 440 Big Block engine, 1966-1978
• Chrysler vehicles with the Mopar 440 Big Block engine, 1966-1978

Fixes

• a valvetrain tick that follows the rockers
• rocker trunion needle bearings found in the oil
• a high-lift cam beyond the stock rocker's limits

What's included

• a full engine set of rocker arms or the trunion upgrade kit as listed

Specifications

• Brand: Sealed Power
• Part number: R-828, R-828 & R-829
• Shipping weight: 6.5 lb
• Condition: new
• Product type: Rocker Arms

Cross-reference

Replaces or interchanges with Sealed Power R-828, R-828 & R-829 for the Mopar 440 Big Block. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more to the lower 48 states; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.