Engine & Exhaust

Allstar Rocker Arm Stud Kit SBC 8 pcs ALL90230 Grade 8, 3/8"-24 original equipment style studs require a 7/16"-14 tapped hole in the head. Studs have a 2.375" overall length. Package of eight.

Allstar Rocker Arm Nut Kit BBC 7/16 16pcs ALL90208 Sets include 16 matched rocker arm nuts which are direct replacements for many stud girdles. BB Chevy 7/16" Rocker Arm Nut, 7/16-20 in Thread, 0.750...

Allstar Rocker Arm Nut Kit SBC 7/16 16pcs ALL90207 Rocker Arm Nut, 7/16-20 in Thread, 0.750 in Body Diameter, 2.050 in Long, Steel, Small Block Chevy, Set of 16 Alternate Desc

Allstar Rocker Arm Nut Kit SBC 3/8 16pcs ALL90206 Rocker Arm Nut, 3/8-24 in Thread, 0.750 in Body Diameter, 2.050 in Long, Steel, Small Block Chevy, Set of 16 Alternate Descri

Allstar Repl Cam Plate Seal ALL90089 Aluminum cam seal plate provides a reliable seal and tight fit. Alternate Description

Allstar Cam Seal Plate Silver 2.382 ALL90088 Aluminum cam seal plate provides a reliable seal and tight fit. Alternate Description

Allstar Cam Seal Plate Blue 2.310 ALL90087 Aluminum cam seal plate provides a reliable seal and tight fit. Alternate Description

Allstar Cam Seal Plate Gold 2.253 ALL90086 Aluminum cam seal plate provides a reliable seal and tight fit. Alternate Description

Allstar Cam Seal Plate Black 2.103 ALL90085 Aluminum cam seal plate provides a reliable seal and tight fit. Alternate Description

Allstar Oil Restrictors Dart / Chevy SHP 1 Pair .030 ALL90073 Oil restrictors for use in Dart SB Chevy SHP blocks are specifically designed for the priority main oil system to reduce the amount of...

Allstar Oil Restrictors Dart/ Chevy SHP 1pr .090 Hole ALL90072 Oil restrictors for use in Dart SB Chevy SHP blocks are specifically designed for the priority main oil system to reduce the amount of...

Allstar Oil Restrictors Bowtie Block Chevy 1pr ALL90071 Oil restrictors reduce the amount of oil flow to the top of the engine, reducing the risk of evacuating the oil pan in continuous high rpm...