Engine & Exhaust

Allstar Guide Plates SBC Flat 8pk ALL90250 Guide plates are designed for 5/16" hardened pushrods and stabilize valvetrains using high lift camshafts and high pressure valve springs. Package of eight...

Allstar Umbrella Valve Seals 11/32in 16pk ALL90235 High quality umbrella style seal moves with valve and deflects oil away from valve guide area. Seals have an O.D. of .750" to fit under most stock...

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...