Chevy Big Block Chrome Steel 12-Point Head Intake Manifold Bolt Kit
This TSP Chevy Big Block Chrome Steel 12-Point Head Intake Manifold Bolt Kit includes sixteen 3/8"-16 12-point head bolts with a 1 1/4" thread length and matching washers, sized to install an intake manifold on the Chevrolet big block V8 family. The 1 1/4" thread length is built to support proper clamp load across the intake flange without bottoming out in compatible cylinder heads.
This kit fits the Chevrolet Big Block V8 Gen. II (Mark IV) in 396, 402, 427, and 454 CID, Gen. V in 454 CID, and Gen. VI in 454 CID, as well as the AMC V8 across 290, 304, 343, 360, 390, and 401 CID. Before installing, verify head style, torque sequence, gasket thickness, and manifold flange depth against your specific engine combination.
Common uses include street performance builds, restoration projects, and custom engine assemblies where a complete, correctly sized 12-point chrome bolt set is needed for intake installation.
Fastener Specs
Sixteen 3/8"-16 chrome steel 12-point head bolts, 1 1/4" thread length, washers included.
Installation
Verify head style, torque sequence, gasket thickness, and manifold flange depth before final assembly to confirm the 1 1/4" thread length is correct for your combination without bottoming out in the head.
COMPATIBLE WITH
AMC V8
• 4.8 L / 290 in3
• 5.0 L / 304 in3
• 5.6 L / 343 in3
• 5.9 L / 360 in3
• 6.4 L / 390 in3
• 6.6 L / 401 in3
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. V
• 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. VI
• 7.4 L / 454 in3
NOTES
• Set of 16 chrome steel 12-point head bolts with washers — covers a full intake manifold installation.
• Thread size: 3/8"-16; thread length: 1-1/4 inches.
• 12-point head style requires a 12-point socket for installation — not compatible with standard hex sockets.
• Verify head style, torque sequence, gasket thickness, and manifold flange depth before final assembly.
COMMON VEHICLE APPLICATIONS
Chevrolet Camaro (396/402/427/454, 1966–1981)
Chevrolet Corvette (396/427/454, 1965–1974)
Chevrolet Chevelle / El Camino (396/402/427/454, 1965–1977)
Chevrolet Nova (396/402, 1969–1974)
Chevrolet Impala / Caprice (396/402/427/454, 1965–1976)
Chevrolet C/K Pickup (396/402/454, 1966–1995)
Chevrolet Blazer / Suburban (454, 1970–1995)
GMC C/K Pickup (396/402/454, 1966–1995)
SPECIFICATIONS
Fastener Style: Bolt
Fastener Material: Steel
Fastener Finish: Chrome
Fastener Nut Style: 12-Point
Thread Length: 1 1/4"
Thread Size: 3/8" - 16
Washers: Included
Quantity: Set Of 16
Original: $45.95
-65%$45.95
$16.08Chevy Big Block Chrome Steel 12-Point Head Intake Manifold Bolt Kit
This TSP Chevy Big Block Chrome Steel 12-Point Head Intake Manifold Bolt Kit includes sixteen 3/8"-16 12-point head bolts with a 1 1/4" thread length and matching washers, sized to install an intake manifold on the Chevrolet big block V8 family. The 1 1/4" thread length is built to support proper clamp load across the intake flange without bottoming out in compatible cylinder heads.
This kit fits the Chevrolet Big Block V8 Gen. II (Mark IV) in 396, 402, 427, and 454 CID, Gen. V in 454 CID, and Gen. VI in 454 CID, as well as the AMC V8 across 290, 304, 343, 360, 390, and 401 CID. Before installing, verify head style, torque sequence, gasket thickness, and manifold flange depth against your specific engine combination.
Common uses include street performance builds, restoration projects, and custom engine assemblies where a complete, correctly sized 12-point chrome bolt set is needed for intake installation.
Fastener Specs
Sixteen 3/8"-16 chrome steel 12-point head bolts, 1 1/4" thread length, washers included.
Installation
Verify head style, torque sequence, gasket thickness, and manifold flange depth before final assembly to confirm the 1 1/4" thread length is correct for your combination without bottoming out in the head.
COMPATIBLE WITH
AMC V8
• 4.8 L / 290 in3
• 5.0 L / 304 in3
• 5.6 L / 343 in3
• 5.9 L / 360 in3
• 6.4 L / 390 in3
• 6.6 L / 401 in3
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. V
• 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. VI
• 7.4 L / 454 in3
NOTES
• Set of 16 chrome steel 12-point head bolts with washers — covers a full intake manifold installation.
• Thread size: 3/8"-16; thread length: 1-1/4 inches.
• 12-point head style requires a 12-point socket for installation — not compatible with standard hex sockets.
• Verify head style, torque sequence, gasket thickness, and manifold flange depth before final assembly.
COMMON VEHICLE APPLICATIONS
Chevrolet Camaro (396/402/427/454, 1966–1981)
Chevrolet Corvette (396/427/454, 1965–1974)
Chevrolet Chevelle / El Camino (396/402/427/454, 1965–1977)
Chevrolet Nova (396/402, 1969–1974)
Chevrolet Impala / Caprice (396/402/427/454, 1965–1976)
Chevrolet C/K Pickup (396/402/454, 1966–1995)
Chevrolet Blazer / Suburban (454, 1970–1995)
GMC C/K Pickup (396/402/454, 1966–1995)
SPECIFICATIONS
Fastener Style: Bolt
Fastener Material: Steel
Fastener Finish: Chrome
Fastener Nut Style: 12-Point
Thread Length: 1 1/4"
Thread Size: 3/8" - 16
Washers: Included
Quantity: Set Of 16
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
This TSP Chevy Big Block Chrome Steel 12-Point Head Intake Manifold Bolt Kit includes sixteen 3/8"-16 12-point head bolts with a 1 1/4" thread length and matching washers, sized to install an intake manifold on the Chevrolet big block V8 family. The 1 1/4" thread length is built to support proper clamp load across the intake flange without bottoming out in compatible cylinder heads.
This kit fits the Chevrolet Big Block V8 Gen. II (Mark IV) in 396, 402, 427, and 454 CID, Gen. V in 454 CID, and Gen. VI in 454 CID, as well as the AMC V8 across 290, 304, 343, 360, 390, and 401 CID. Before installing, verify head style, torque sequence, gasket thickness, and manifold flange depth against your specific engine combination.
Common uses include street performance builds, restoration projects, and custom engine assemblies where a complete, correctly sized 12-point chrome bolt set is needed for intake installation.
Fastener Specs
Sixteen 3/8"-16 chrome steel 12-point head bolts, 1 1/4" thread length, washers included.
Installation
Verify head style, torque sequence, gasket thickness, and manifold flange depth before final assembly to confirm the 1 1/4" thread length is correct for your combination without bottoming out in the head.
COMPATIBLE WITH
AMC V8
• 4.8 L / 290 in3
• 5.0 L / 304 in3
• 5.6 L / 343 in3
• 5.9 L / 360 in3
• 6.4 L / 390 in3
• 6.6 L / 401 in3
CHEVROLET BIG BLOCK V8 GEN. II (MARK IV)
• 6.5 L / 396 in3
• 6.6 L / 402 in3
• 7.0 L / 427 in3
• 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. V
• 7.4 L / 454 in3
CHEVROLET BIG BLOCK V8 GEN. VI
• 7.4 L / 454 in3
NOTES
• Set of 16 chrome steel 12-point head bolts with washers — covers a full intake manifold installation.
• Thread size: 3/8"-16; thread length: 1-1/4 inches.
• 12-point head style requires a 12-point socket for installation — not compatible with standard hex sockets.
• Verify head style, torque sequence, gasket thickness, and manifold flange depth before final assembly.
COMMON VEHICLE APPLICATIONS
Chevrolet Camaro (396/402/427/454, 1966–1981)
Chevrolet Corvette (396/427/454, 1965–1974)
Chevrolet Chevelle / El Camino (396/402/427/454, 1965–1977)
Chevrolet Nova (396/402, 1969–1974)
Chevrolet Impala / Caprice (396/402/427/454, 1965–1976)
Chevrolet C/K Pickup (396/402/454, 1966–1995)
Chevrolet Blazer / Suburban (454, 1970–1995)
GMC C/K Pickup (396/402/454, 1966–1995)
SPECIFICATIONS
Fastener Style: Bolt
Fastener Material: Steel
Fastener Finish: Chrome
Fastener Nut Style: 12-Point
Thread Length: 1 1/4"
Thread Size: 3/8" - 16
Washers: Included
Quantity: Set Of 16
