Engine & Exhaust

Allstar Breather Sock ALL36208 The breather sock fits over standard 3" diameter, 2-1/2" tall valve cover breathers to help catch residual oil discharged from the engine through valve cover breathers. A practical alternative to wrapping dirty shop rags...

Allstar Carb Hold Down Nuts 5/16in-18 Thread 4pk ALL26324 Nut, 5/16-18 in Thread, 1/4 in Square Ratchet Drive, Steel, Natural, Carburetor Hold Down, Each Alternate Description CARB HOLD DOWN NUTS 5/16IN-18 THREAD 4PK Part Number ALL26324 ...

Allstar Oil Filter Adapter Round 97-2017 GM LS Series ALL92006 1998-2009 LS Series Engines. Round body with internal hex adapter threads into oil pan with 20mm x 1.50 thread and has 13/16"-16 thread to accept oil filter (PH3506). Product Info   ...

Allstar Oil Filter Adapter Hex 97-2017 GM LS Series ALL92005 2006-2019 LS Series Engines. Hex body adapter threads into oil pan with 20mm x 1.50 thread and has 22mm x 1.50 thread to accept oil filter (PH10575). Product Info   Alternate...

Allstar SBC Remote Filter ALL92025 Aluminum adapter installs in place of the OE style oil filter adapter, providing 1/2" NPT inlet and outlet ports for connecting to an external oil filter mount. Adapter is commonly used when header clearance does not...

Allstar Filter Mount W/O Bypass ALL92020 Billet aluminum adapter replaces the stock cast aluminum adapter and eliminates the bypass found in OE adapters. Adapter fits most 1968-96 SB Chevy and 1968-90 Gen IV BB Chevy engines, has 13/16-16 threads for...

Allstar LS3 Billet Valley Cover ALL90107 Billet aluminum covers come complete with stainless hardware and o-ring. Black anodized. Product Info Alternate Description LS3 BILLET VALLEY COVER WITH FASTENERS Part Number ALL90107 Vendor...

Allstar LS1 Billet Valley Cover ALL90106 Billet aluminum covers come complete with stainless hardware and o-ring. Black anodized. Product Info Alternate Description LS1 BILLET VALLEY COVER WITH FASTENERS Part Number ALL90106 Vendor...

Allstar Inline Thermostat Housing Kit ALL31160 Fits GM style thermostats 1.5" hose size Black anodized Aluminum Product Info Alternate Description INLINE THERMOSTAT HOUSING KIT Part Number ALL31160 Vendor Part Number ALL31160 ...

Allstar SBC V/C Gaskets Steel Core 3/16in Thick Rubber ALL87215 Reusable rubber gaskets are 3/16" thick and feature a molded-in steel reinforcing layer to help gasket keep its shape and provide a leak free fit. Package of 2. Product Info   ...

Allstar Bung and Plug Kit 1/2IN NPT ALL50735 Bung and Plug Kit, Weld-On, 1/2 in NPT Plug, Steel, Natural, Kit Size Aluminum Bung Steel Bung 3/8" NPT ALL50732 ALL50733 1/2" NPT ALL50734 ALL50735 Alternate Description DRAIN PLUG KIT...

Allstar Mini Breather Tank Panel Mount ALL36142 Small capacity, aluminum tank will vent dry sump tank, transmission, or rear end. Tank measures 6-3/4" overall, features a 1/4" NPT bung on bottom for connecting a vent hose and includes a washable breather...